18887674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11909}}^1$

素因数の和:11985

約数の個数: 16

約数和(自身を含む): 31013640

約数和(自身を除く): 12125966

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 11909, 23818, 154817, 309634, 726449, 1452898, 9443837, 18887674]

約数ペア:

[(1, 18887674), (2, 9443837), (13, 1452898), (26, 726449), (61, 309634), (122, 154817), (793, 23818), (1586, 11909)]