18364820

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1213}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 38648904

約数和(自身を除く): 20284084

約数列:

[1, 2, 4, 5, 10, 20, 757, 1213, 1514, 2426, 3028, 3785, 4852, 6065, 7570, 12130, 15140, 24260, 918241, 1836482, 3672964, 4591205, 9182410, 18364820]

約数ペア:

[(1, 18364820), (2, 9182410), (4, 4591205), (5, 3672964), (10, 1836482), (20, 918241), (757, 24260), (1213, 15140), (1514, 12130), (2426, 7570), (3028, 6065), (3785, 4852)]