2018643944

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{255137}}^1$

素因数の和:255209

約数の個数: 32

約数和(自身を含む): 4041385920

約数和(自身を除く): 2022741976

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 255137, 510274, 1020548, 2041096, 5868151, 10970891, 11736302, 21941782, 23472604, 43883564, 46945208, 87767128, 252330493, 504660986, 1009321972, 2018643944]

約数ペア:

[(1, 2018643944), (2, 1009321972), (4, 504660986), (8, 252330493), (23, 87767128), (43, 46945208), (46, 43883564), (86, 23472604), (92, 21941782), (172, 11736302), (184, 10970891), (344, 5868151), (989, 2041096), (1978, 1020548), (3956, 510274), (7912, 255137)]