19518004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443591}}^1$

素因数の和:443606

約数の個数: 12

約数和(自身を含む): 37261728

約数和(自身を除く): 17743724

約数列:

[1, 2, 4, 11, 22, 44, 443591, 887182, 1774364, 4879501, 9759002, 19518004]

約数ペア:

[(1, 19518004), (2, 9759002), (4, 4879501), (11, 1774364), (22, 887182), (44, 443591)]