18817754

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:829

約数の個数: 16

約数和(自身を含む): 28803168

約数和(自身を除く): 9985414

約数列:

[1, 2, 67, 134, 317, 443, 634, 886, 21239, 29681, 42478, 59362, 140431, 280862, 9408877, 18817754]

約数ペア:

[(1, 18817754), (2, 9408877), (67, 280862), (134, 140431), (317, 59362), (443, 42478), (634, 29681), (886, 21239)]