18530631

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1319}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 30750720

約数和(自身を除く): 12220089

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1319, 1561, 2007, 3957, 4683, 9233, 11871, 14049, 27699, 83097, 294137, 882411, 2058959, 2647233, 6176877, 18530631]

約数ペア:

[(1, 18530631), (3, 6176877), (7, 2647233), (9, 2058959), (21, 882411), (63, 294137), (223, 83097), (669, 27699), (1319, 14049), (1561, 11871), (2007, 9233), (3957, 4683)]