18506080

素因数分解:

$2^5\times 5^1\times {\mathrm{115663}}^1$

素因数の和:115678

約数の個数: 24

約数和(自身を含む): 43720992

約数和(自身を除く): 25214912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115663, 231326, 462652, 578315, 925304, 1156630, 1850608, 2313260, 3701216, 4626520, 9253040, 18506080]

約数ペア:

[(1, 18506080), (2, 9253040), (4, 4626520), (5, 3701216), (8, 2313260), (10, 1850608), (16, 1156630), (20, 925304), (32, 578315), (40, 462652), (80, 231326), (160, 115663)]