19719218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1721}}^1$

素因数の和:2077

約数の個数: 16

約数和(自身を含む): 31429944

約数和(自身を除く): 11710726

約数列:

[1, 2, 17, 34, 337, 674, 1721, 3442, 5729, 11458, 29257, 58514, 579977, 1159954, 9859609, 19719218]

約数ペア:

[(1, 19719218), (2, 9859609), (17, 1159954), (34, 579977), (337, 58514), (674, 29257), (1721, 11458), (3442, 5729)]