19857022

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 30364272

約数和(自身を除く): 10507250

約数列:

[1, 2, 73, 146, 277, 491, 554, 982, 20221, 35843, 40442, 71686, 136007, 272014, 9928511, 19857022]

約数ペア:

[(1, 19857022), (2, 9928511), (73, 272014), (146, 136007), (277, 71686), (491, 40442), (554, 35843), (982, 20221)]