18985906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1657}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 30261816

約数和(自身を除く): 11275910

約数列:

[1, 2, 17, 34, 337, 674, 1657, 3314, 5729, 11458, 28169, 56338, 558409, 1116818, 9492953, 18985906]

約数ペア:

[(1, 18985906), (2, 9492953), (17, 1116818), (34, 558409), (337, 56338), (674, 28169), (1657, 11458), (3314, 5729)]