18985294

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29389}}^1$

素因数の和:29427

約数の個数: 16

約数和(自身を含む): 31741200

約数和(自身を除く): 12755906

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 29389, 58778, 499613, 558391, 999226, 1116782, 9492647, 18985294]

約数ペア:

[(1, 18985294), (2, 9492647), (17, 1116782), (19, 999226), (34, 558391), (38, 499613), (323, 58778), (646, 29389)]