18428812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 33324480

約数和(自身を除く): 14895668

約数列:

[1, 2, 4, 37, 74, 148, 239, 478, 521, 956, 1042, 2084, 8843, 17686, 19277, 35372, 38554, 77108, 124519, 249038, 498076, 4607203, 9214406, 18428812]

約数ペア:

[(1, 18428812), (2, 9214406), (4, 4607203), (37, 498076), (74, 249038), (148, 124519), (239, 77108), (478, 38554), (521, 35372), (956, 19277), (1042, 17686), (2084, 8843)]