12872842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19927}}^1$

素因数の和:19965

約数の個数: 16

約数和(自身を含む): 21522240

約数和(自身を除く): 8649398

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 19927, 39854, 338759, 378613, 677518, 757226, 6436421, 12872842]

約数ペア:

[(1, 12872842), (2, 6436421), (17, 757226), (19, 677518), (34, 378613), (38, 338759), (323, 39854), (646, 19927)]