18490106

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1153

約数の個数: 16

約数和(自身を含む): 28333800

約数和(自身を除く): 9843694

約数列:

[1, 2, 89, 109, 178, 218, 953, 1906, 9701, 19402, 84817, 103877, 169634, 207754, 9245053, 18490106]

約数ペア:

[(1, 18490106), (2, 9245053), (89, 207754), (109, 169634), (178, 103877), (218, 84817), (953, 19402), (1906, 9701)]