18751239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 29403920

約数和(自身を除く): 10652681

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1153, 1251, 1807, 3459, 5421, 10377, 14989, 16263, 44967, 134901, 160267, 480801, 1442403, 2083471, 6250413, 18751239]

約数ペア:

[(1, 18751239), (3, 6250413), (9, 2083471), (13, 1442403), (39, 480801), (117, 160267), (139, 134901), (417, 44967), (1153, 16263), (1251, 14989), (1807, 10377), (3459, 5421)]