18178237

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5023}}^1$

素因数の和:5088

約数の個数: 16

約数和(自身を含む): 23150592

約数和(自身を除く): 4972355

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5023, 35161, 55253, 236081, 386771, 1652567, 2596891, 18178237]

約数ペア:

[(1, 18178237), (7, 2596891), (11, 1652567), (47, 386771), (77, 236081), (329, 55253), (517, 35161), (3619, 5023)]