23019428

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19913}}^1$

素因数の和:19951

約数の個数: 18

約数和(自身を含む): 42795186

約数和(自身を除く): 19775758

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 19913, 39826, 79652, 338521, 677042, 1354084, 5754857, 11509714, 23019428]

約数ペア:

[(1, 23019428), (2, 11509714), (4, 5754857), (17, 1354084), (34, 677042), (68, 338521), (289, 79652), (578, 39826), (1156, 19913)]