18625438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42139}}^1$

素因数の和:42171

約数の個数: 16

約数和(自身を含む): 31857840

約数和(自身を除く): 13232402

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42139, 84278, 547807, 716363, 1095614, 1432726, 9312719, 18625438]

約数ペア:

[(1, 18625438), (2, 9312719), (13, 1432726), (17, 1095614), (26, 716363), (34, 547807), (221, 84278), (442, 42139)]