18905060

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3079}}^1$

素因数の和:3395

約数の個数: 24

約数和(自身を含む): 39842880

約数和(自身を除く): 20937820

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3079, 6140, 6158, 12316, 15395, 30790, 61580, 945253, 1890506, 3781012, 4726265, 9452530, 18905060]

約数ペア:

[(1, 18905060), (2, 9452530), (4, 4726265), (5, 3781012), (10, 1890506), (20, 945253), (307, 61580), (614, 30790), (1228, 15395), (1535, 12316), (3070, 6158), (3079, 6140)]