18238460

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2381}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 38416896

約数和(自身を除く): 20178436

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2381, 3830, 4762, 7660, 9524, 11905, 23810, 47620, 911923, 1823846, 3647692, 4559615, 9119230, 18238460]

約数ペア:

[(1, 18238460), (2, 9119230), (4, 4559615), (5, 3647692), (10, 1823846), (20, 911923), (383, 47620), (766, 23810), (1532, 11905), (1915, 9524), (2381, 7660), (3830, 4762)]