17940655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1638

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 4915025

約数列:

[1, 5, 19, 95, 127, 635, 1487, 2413, 7435, 12065, 28253, 141265, 188849, 944245, 3588131, 17940655]

約数ペア:

[(1, 17940655), (5, 3588131), (19, 944245), (95, 188849), (127, 141265), (635, 28253), (1487, 12065), (2413, 7435)]