18817964008

素因数分解:

$2^3\times {\mathrm{5003}}^1\times {\mathrm{470167}}^1$

素因数の和:475176

約数の個数: 16

約数和(自身を含む): 35290810080

約数和(自身を除く): 16472846072

約数列:

[1, 2, 4, 8, 5003, 10006, 20012, 40024, 470167, 940334, 1880668, 3761336, 2352245501, 4704491002, 9408982004, 18817964008]

約数ペア:

[(1, 18817964008), (2, 9408982004), (4, 4704491002), (8, 2352245501), (5003, 3761336), (10006, 1880668), (20012, 940334), (40024, 470167)]