18073780

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1811}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 38052000

約数和(自身を除く): 19978220

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1811, 1996, 2495, 3622, 4990, 7244, 9055, 9980, 18110, 36220, 903689, 1807378, 3614756, 4518445, 9036890, 18073780]

約数ペア:

[(1, 18073780), (2, 9036890), (4, 4518445), (5, 3614756), (10, 1807378), (20, 903689), (499, 36220), (998, 18110), (1811, 9980), (1996, 9055), (2495, 7244), (3622, 4990)]