19545898

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 29802240

約数和(自身を除く): 10256342

約数列:

[1, 2, 103, 206, 239, 397, 478, 794, 24617, 40891, 49234, 81782, 94883, 189766, 9772949, 19545898]

約数ペア:

[(1, 19545898), (2, 9772949), (103, 189766), (206, 94883), (239, 81782), (397, 49234), (478, 40891), (794, 24617)]