18883420

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1571}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 39746448

約数和(自身を除く): 20863028

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 1571, 2404, 3005, 3142, 6010, 6284, 7855, 12020, 15710, 31420, 944171, 1888342, 3776684, 4720855, 9441710, 18883420]

約数ペア:

[(1, 18883420), (2, 9441710), (4, 4720855), (5, 3776684), (10, 1888342), (20, 944171), (601, 31420), (1202, 15710), (1571, 12020), (2404, 7855), (3005, 6284), (3142, 6010)]