19095620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2381}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 40217688

約数和(自身を除く): 21122068

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2381, 4010, 4762, 8020, 9524, 11905, 23810, 47620, 954781, 1909562, 3819124, 4773905, 9547810, 19095620]

約数ペア:

[(1, 19095620), (2, 9547810), (4, 4773905), (5, 3819124), (10, 1909562), (20, 954781), (401, 47620), (802, 23810), (1604, 11905), (2005, 9524), (2381, 8020), (4010, 4762)]