18889907

素因数分解:

${\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 12

約数和(自身を含む): 20239896

約数和(自身を除く): 1349989

約数列:

[1, 17, 163, 289, 401, 2771, 6817, 47107, 65363, 115889, 1111171, 18889907]

約数ペア:

[(1, 18889907), (17, 1111171), (163, 115889), (289, 65363), (401, 47107), (2771, 6817)]