18638180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84719}}^1$

素因数の和:84739

約数の個数: 24

約数和(自身を含む): 42698880

約数和(自身を除く): 24060700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84719, 169438, 338876, 423595, 847190, 931909, 1694380, 1863818, 3727636, 4659545, 9319090, 18638180]

約数ペア:

[(1, 18638180), (2, 9319090), (4, 4659545), (5, 3727636), (10, 1863818), (11, 1694380), (20, 931909), (22, 847190), (44, 423595), (55, 338876), (110, 169438), (220, 84719)]