18680761

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1652

約数の個数: 16

約数和(自身を含む): 21731328

約数和(自身を除く): 3050567

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1571, 11891, 17281, 36133, 73837, 397463, 812207, 1698251, 18680761]

約数ペア:

[(1, 18680761), (11, 1698251), (23, 812207), (47, 397463), (253, 73837), (517, 36133), (1081, 17281), (1571, 11891)]