18692540

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1873}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 39354000

約数和(自身を除く): 20661460

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1873, 1996, 2495, 3746, 4990, 7492, 9365, 9980, 18730, 37460, 934627, 1869254, 3738508, 4673135, 9346270, 18692540]

約数ペア:

[(1, 18692540), (2, 9346270), (4, 4673135), (5, 3738508), (10, 1869254), (20, 934627), (499, 37460), (998, 18730), (1873, 9980), (1996, 9365), (2495, 7492), (3746, 4990)]