18743280040

素因数分解:

$2^3\times 5^1\times {\mathrm{468582001}}^1$

素因数の和:468582012

約数の個数: 16

約数和(自身を含む): 42172380180

約数和(自身を除く): 23429100140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468582001, 937164002, 1874328004, 2342910005, 3748656008, 4685820010, 9371640020, 18743280040]

約数ペア:

[(1, 18743280040), (2, 9371640020), (4, 4685820010), (5, 3748656008), (8, 2342910005), (10, 1874328004), (20, 937164002), (40, 468582001)]