19841278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20123}}^1$

素因数の和:20171

約数の個数: 16

約数和(自身を含む): 32600880

約数和(自身を除く): 12759602

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 20123, 40246, 342091, 583567, 684182, 1167134, 9920639, 19841278]

約数ペア:

[(1, 19841278), (2, 9920639), (17, 1167134), (29, 684182), (34, 583567), (58, 342091), (493, 40246), (986, 20123)]