18689541

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 27265536

約数和(自身を除く): 8575995

約数列:

[1, 3, 13, 39, 169, 191, 193, 507, 573, 579, 2483, 2509, 7449, 7527, 32279, 32617, 36863, 96837, 97851, 110589, 479219, 1437657, 6229847, 18689541]

約数ペア:

[(1, 18689541), (3, 6229847), (13, 1437657), (39, 479219), (169, 110589), (191, 97851), (193, 96837), (507, 36863), (573, 32617), (579, 32279), (2483, 7527), (2509, 7449)]