18810478

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:951

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 9943442

約数列:

[1, 2, 103, 127, 206, 254, 719, 1438, 13081, 26162, 74057, 91313, 148114, 182626, 9405239, 18810478]

約数ペア:

[(1, 18810478), (2, 9405239), (103, 182626), (127, 148114), (206, 91313), (254, 74057), (719, 26162), (1438, 13081)]