19709158

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4441}}^1$

素因数の和:4767

約数の個数: 16

約数和(自身を含む): 33901344

約数和(自身を除く): 14192186

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4441, 8882, 31087, 62174, 1407797, 2815594, 9854579, 19709158]

約数ペア:

[(1, 19709158), (2, 9854579), (7, 2815594), (14, 1407797), (317, 62174), (634, 31087), (2219, 8882), (4438, 4441)]