18240865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 22786560

約数和(自身を除く): 4545695

約数列:

[1, 5, 31, 137, 155, 685, 859, 4247, 4295, 21235, 26629, 117683, 133145, 588415, 3648173, 18240865]

約数ペア:

[(1, 18240865), (5, 3648173), (31, 588415), (137, 133145), (155, 117683), (685, 26629), (859, 21235), (4247, 4295)]