18791212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{427073}}^1$

素因数の和:427088

約数の個数: 12

約数和(自身を含む): 35874216

約数和(自身を除く): 17083004

約数列:

[1, 2, 4, 11, 22, 44, 427073, 854146, 1708292, 4697803, 9395606, 18791212]

約数ペア:

[(1, 18791212), (2, 9395606), (4, 4697803), (11, 1708292), (22, 854146), (44, 427073)]