18810664

素因数分解:

$2^3\times {\mathrm{353}}^1\times {\mathrm{6661}}^1$

素因数の和:7020

約数の個数: 16

約数和(自身を含む): 35375220

約数和(自身を除く): 16564556

約数列:

[1, 2, 4, 8, 353, 706, 1412, 2824, 6661, 13322, 26644, 53288, 2351333, 4702666, 9405332, 18810664]

約数ペア:

[(1, 18810664), (2, 9405332), (4, 4702666), (8, 2351333), (353, 53288), (706, 26644), (1412, 13322), (2824, 6661)]