18077563

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2466

約数の個数: 16

約数和(自身を含む): 22026240

約数和(自身を除く): 3948677

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2389, 7567, 16723, 54947, 112283, 384629, 785981, 2582509, 18077563]

約数ペア:

[(1, 18077563), (7, 2582509), (23, 785981), (47, 384629), (161, 112283), (329, 54947), (1081, 16723), (2389, 7567)]