18740757

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{30773}}^1$

素因数の和:30812

約数の個数: 16

約数和(自身を含む): 29543040

約数和(自身を除く): 10802283

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 30773, 92319, 215411, 646233, 892417, 2677251, 6246919, 18740757]

約数ペア:

[(1, 18740757), (3, 6246919), (7, 2677251), (21, 892417), (29, 646233), (87, 215411), (203, 92319), (609, 30773)]