18927038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10253}}^1$

素因数の和:10339

約数の個数: 16

約数和(自身を含む): 31008096

約数和(自身を除く): 12081058

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10253, 20506, 133289, 266578, 727963, 1455926, 9463519, 18927038]

約数ペア:

[(1, 18927038), (2, 9463519), (13, 1455926), (26, 727963), (71, 266578), (142, 133289), (923, 20506), (1846, 10253)]