18892497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2672

約数の個数: 16

約数和(自身を含む): 27276480

約数和(自身を除く): 8383983

約数列:

[1, 3, 13, 39, 197, 591, 2459, 2561, 7377, 7683, 31967, 95901, 484423, 1453269, 6297499, 18892497]

約数ペア:

[(1, 18892497), (3, 6297499), (13, 1453269), (39, 484423), (197, 95901), (591, 31967), (2459, 7683), (2561, 7377)]