18156089

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 21231360

約数和(自身を除く): 3075271

約数列:

[1, 7, 89, 151, 193, 623, 1057, 1351, 13439, 17177, 29143, 94073, 120239, 204001, 2593727, 18156089]

約数ペア:

[(1, 18156089), (7, 2593727), (89, 204001), (151, 120239), (193, 94073), (623, 29143), (1057, 17177), (1351, 13439)]