18724550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28807}}^1$

素因数の和:28832

約数の個数: 24

約数和(自身を含む): 37508016

約数和(自身を除く): 18783466

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28807, 57614, 144035, 288070, 374491, 720175, 748982, 1440350, 1872455, 3744910, 9362275, 18724550]

約数ペア:

[(1, 18724550), (2, 9362275), (5, 3744910), (10, 1872455), (13, 1440350), (25, 748982), (26, 720175), (50, 374491), (65, 288070), (130, 144035), (325, 57614), (650, 28807)]