19946547

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{23831}}^1$

素因数の和:23871

約数の個数: 16

約数和(自身を含む): 30504960

約数和(自身を除く): 10558413

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 23831, 71493, 214479, 643437, 738761, 2216283, 6648849, 19946547]

約数ペア:

[(1, 19946547), (3, 6648849), (9, 2216283), (27, 738761), (31, 643437), (93, 214479), (279, 71493), (837, 23831)]