19381154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10499}}^1$

素因数の和:10585

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 12370846

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10499, 20998, 136487, 272974, 745429, 1490858, 9690577, 19381154]

約数ペア:

[(1, 19381154), (2, 9690577), (13, 1490858), (26, 745429), (71, 272974), (142, 136487), (923, 20998), (1846, 10499)]