220431388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2900413}}^1$

素因数の和:2900436

約数の個数: 12

約数和(自身を含む): 406057960

約数和(自身を除く): 185626572

約数列:

[1, 2, 4, 19, 38, 76, 2900413, 5800826, 11601652, 55107847, 110215694, 220431388]

約数ペア:

[(1, 220431388), (2, 110215694), (4, 55107847), (19, 11601652), (38, 5800826), (76, 2900413)]