18990452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{365201}}^1$

素因数の和:365218

約数の個数: 12

約数和(自身を含む): 35789796

約数和(自身を除く): 16799344

約数列:

[1, 2, 4, 13, 26, 52, 365201, 730402, 1460804, 4747613, 9495226, 18990452]

約数ペア:

[(1, 18990452), (2, 9495226), (4, 4747613), (13, 1460804), (26, 730402), (52, 365201)]