19928922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255499}}^1$

素因数の和:255517

約数の個数: 16

約数和(自身を含む): 42924000

約数和(自身を除く): 22995078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255499, 510998, 766497, 1532994, 3321487, 6642974, 9964461, 19928922]

約数ペア:

[(1, 19928922), (2, 9964461), (3, 6642974), (6, 3321487), (13, 1532994), (26, 766497), (39, 510998), (78, 255499)]