18677594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42257}}^1$

素因数の和:42289

約数の個数: 16

約数和(自身を含む): 31947048

約数和(自身を除く): 13269454

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42257, 84514, 549341, 718369, 1098682, 1436738, 9338797, 18677594]

約数ペア:

[(1, 18677594), (2, 9338797), (13, 1436738), (17, 1098682), (26, 718369), (34, 549341), (221, 84514), (442, 42257)]