18491372

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 33062400

約数和(自身を除く): 14571028

約数列:

[1, 2, 4, 79, 158, 163, 316, 326, 359, 652, 718, 1436, 12877, 25754, 28361, 51508, 56722, 58517, 113444, 117034, 234068, 4622843, 9245686, 18491372]

約数ペア:

[(1, 18491372), (2, 9245686), (4, 4622843), (79, 234068), (158, 117034), (163, 113444), (316, 58517), (326, 56722), (359, 51508), (652, 28361), (718, 25754), (1436, 12877)]