18974806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1777}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 30083760

約数和(自身を除く): 11108954

約数列:

[1, 2, 19, 38, 281, 562, 1777, 3554, 5339, 10678, 33763, 67526, 499337, 998674, 9487403, 18974806]

約数ペア:

[(1, 18974806), (2, 9487403), (19, 998674), (38, 499337), (281, 67526), (562, 33763), (1777, 10678), (3554, 5339)]