18769865

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 4212535

約数列:

[1, 5, 113, 139, 239, 565, 695, 1195, 15707, 27007, 33221, 78535, 135035, 166105, 3753973, 18769865]

約数ペア:

[(1, 18769865), (5, 3753973), (113, 166105), (139, 135035), (239, 78535), (565, 33221), (695, 27007), (1195, 15707)]