18389968130

素因数分解:

$2^1\times 5^1\times {\mathrm{3989}}^1\times {\mathrm{461017}}^1$

素因数の和:465013

約数の個数: 16

約数和(自身を含む): 33110312760

約数和(自身を除く): 14720344630

約数列:

[1, 2, 5, 10, 3989, 7978, 19945, 39890, 461017, 922034, 2305085, 4610170, 1838996813, 3677993626, 9194984065, 18389968130]

約数ペア:

[(1, 18389968130), (2, 9194984065), (5, 3677993626), (10, 1838996813), (3989, 4610170), (7978, 2305085), (19945, 922034), (39890, 461017)]