19493476

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{68639}}^1$

素因数の和:68714

約数の個数: 12

約数和(自身を含む): 34594560

約数和(自身を除く): 15101084

約数列:

[1, 2, 4, 71, 142, 284, 68639, 137278, 274556, 4873369, 9746738, 19493476]

約数ペア:

[(1, 19493476), (2, 9746738), (4, 4873369), (71, 274556), (142, 137278), (284, 68639)]