18960874

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2129}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 29317320

約数和(自身を除く): 10356446

約数列:

[1, 2, 61, 73, 122, 146, 2129, 4258, 4453, 8906, 129869, 155417, 259738, 310834, 9480437, 18960874]

約数ペア:

[(1, 18960874), (2, 9480437), (61, 310834), (73, 259738), (122, 155417), (146, 129869), (2129, 8906), (4258, 4453)]