18138080

素因数分解:

$2^5\times 5^1\times {\mathrm{113363}}^1$

素因数の和:113378

約数の個数: 24

約数和(自身を含む): 42851592

約数和(自身を除く): 24713512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113363, 226726, 453452, 566815, 906904, 1133630, 1813808, 2267260, 3627616, 4534520, 9069040, 18138080]

約数ペア:

[(1, 18138080), (2, 9069040), (4, 4534520), (5, 3627616), (8, 2267260), (10, 1813808), (16, 1133630), (20, 906904), (32, 566815), (40, 453452), (80, 226726), (160, 113363)]