18342040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19937}}^1$

素因数の和:19971

約数の個数: 32

約数和(自身を含む): 43066080

約数和(自身を除く): 24724040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19937, 39874, 79748, 99685, 159496, 199370, 398740, 458551, 797480, 917102, 1834204, 2292755, 3668408, 4585510, 9171020, 18342040]

約数ペア:

[(1, 18342040), (2, 9171020), (4, 4585510), (5, 3668408), (8, 2292755), (10, 1834204), (20, 917102), (23, 797480), (40, 458551), (46, 398740), (92, 199370), (115, 159496), (184, 99685), (230, 79748), (460, 39874), (920, 19937)]