18905450

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2089}}^1$

素因数の和:2282

約数の個数: 24

約数和(自身を含む): 35375340

約数和(自身を除く): 16469890

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 2089, 4178, 4525, 9050, 10445, 20890, 52225, 104450, 378109, 756218, 1890545, 3781090, 9452725, 18905450]

約数ペア:

[(1, 18905450), (2, 9452725), (5, 3781090), (10, 1890545), (25, 756218), (50, 378109), (181, 104450), (362, 52225), (905, 20890), (1810, 10445), (2089, 9050), (4178, 4525)]