18413860

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2999}}^1$

素因数の和:3315

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 20394140

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 2999, 3070, 5998, 6140, 11996, 14995, 29990, 59980, 920693, 1841386, 3682772, 4603465, 9206930, 18413860]

約数ペア:

[(1, 18413860), (2, 9206930), (4, 4603465), (5, 3682772), (10, 1841386), (20, 920693), (307, 59980), (614, 29990), (1228, 14995), (1535, 11996), (2999, 6140), (3070, 5998)]