18436580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17393}}^1$

素因数の和:17455

約数の個数: 24

約数和(自身を含む): 39449592

約数和(自身を除く): 21013012

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17393, 34786, 69572, 86965, 173930, 347860, 921829, 1843658, 3687316, 4609145, 9218290, 18436580]

約数ペア:

[(1, 18436580), (2, 9218290), (4, 4609145), (5, 3687316), (10, 1843658), (20, 921829), (53, 347860), (106, 173930), (212, 86965), (265, 69572), (530, 34786), (1060, 17393)]