18686842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28927}}^1$

素因数の和:28965

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 12555398

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 28927, 57854, 491759, 549613, 983518, 1099226, 9343421, 18686842]

約数ペア:

[(1, 18686842), (2, 9343421), (17, 1099226), (19, 983518), (34, 549613), (38, 491759), (323, 57854), (646, 28927)]