18914119

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4051}}^1$

素因数の和:4110

約数の個数: 16

約数和(自身を含む): 23339520

約数和(自身を除く): 4425401

約数列:

[1, 7, 23, 29, 161, 203, 667, 4051, 4669, 28357, 93173, 117479, 652211, 822353, 2702017, 18914119]

約数ペア:

[(1, 18914119), (7, 2702017), (23, 822353), (29, 652211), (161, 117479), (203, 93173), (667, 28357), (4051, 4669)]