20189545928

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23153149}}^1$

素因数の和:23153264

約数の個数: 16

約数和(自身を含む): 38202697500

約数和(自身を除く): 18013151572

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23153149, 46306298, 92612596, 185225192, 2523693241, 5047386482, 10094772964, 20189545928]

約数ペア:

[(1, 20189545928), (2, 10094772964), (4, 5047386482), (8, 2523693241), (109, 185225192), (218, 92612596), (436, 46306298), (872, 23153149)]