18944990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23981}}^1$

素因数の和:24067

約数の個数: 16

約数和(自身を含む): 34534080

約数和(自身を除く): 15589090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 23981, 47962, 119905, 239810, 1894499, 3788998, 9472495, 18944990]

約数ペア:

[(1, 18944990), (2, 9472495), (5, 3788998), (10, 1894499), (79, 239810), (158, 119905), (395, 47962), (790, 23981)]