In a hypothetical scenario where there is an atom with 1,836 protons, the number of electrons would not be ignored. The electrons contribute significantly to the overall mass of an atom, even though their individual mass is much smaller compared to protons and neutrons.
The mass of an electron is approximately 1/1836th of the mass of a proton or neutron. Therefore, the combined mass of 1,836 electrons would be approximately equal to the mass of a single proton or neutron.
However, it's important to note that in reality, an atom with such a large number of protons would be highly unstable due to the overwhelming positive charge and the lack of sufficient electrons to balance it. The repulsive forces between the protons would be extremely strong, making the atom highly reactive and likely to undergo various nuclear reactions or decay processes.
In the context of a thought experiment, considering the mass of the electrons is reasonable, but it's important to understand that this hypothetical scenario does not correspond to any known stable or naturally occurring atom.