18181108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{413207}}^1$

素因数の和:413222

約数の個数: 12

約数和(自身を含む): 34709472

約数和(自身を除く): 16528364

約数列:

[1, 2, 4, 11, 22, 44, 413207, 826414, 1652828, 4545277, 9090554, 18181108]

約数ペア:

[(1, 18181108), (2, 9090554), (4, 4545277), (11, 1652828), (22, 826414), (44, 413207)]