18618820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84631}}^1$

素因数の和:84651

約数の個数: 24

約数和(自身を含む): 42654528

約数和(自身を除く): 24035708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84631, 169262, 338524, 423155, 846310, 930941, 1692620, 1861882, 3723764, 4654705, 9309410, 18618820]

約数ペア:

[(1, 18618820), (2, 9309410), (4, 4654705), (5, 3723764), (10, 1861882), (11, 1692620), (20, 930941), (22, 846310), (44, 423155), (55, 338524), (110, 169262), (220, 84631)]