16889290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8118

約数の個数: 32

約数和(自身を含む): 34914240

約数和(自身を除く): 18024950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 8081, 16162, 40405, 80810, 88891, 153539, 177782, 307078, 444455, 767695, 888910, 1535390, 1688929, 3377858, 8444645, 16889290]

約数ペア:

[(1, 16889290), (2, 8444645), (5, 3377858), (10, 1688929), (11, 1535390), (19, 888910), (22, 767695), (38, 444455), (55, 307078), (95, 177782), (110, 153539), (190, 88891), (209, 80810), (418, 40405), (1045, 16162), (2090, 8081)]