18700031

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 3363073

約数列:

[1, 7, 47, 113, 329, 503, 791, 3521, 5311, 23641, 37177, 56839, 165487, 397873, 2671433, 18700031]

約数ペア:

[(1, 18700031), (7, 2671433), (47, 397873), (113, 165487), (329, 56839), (503, 37177), (791, 23641), (3521, 5311)]