18290180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8093}}^1$

素因数の和:8215

約数の個数: 24

約数和(自身を含む): 38754072

約数和(自身を除く): 20463892

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8093, 16186, 32372, 40465, 80930, 161860, 914509, 1829018, 3658036, 4572545, 9145090, 18290180]

約数ペア:

[(1, 18290180), (2, 9145090), (4, 4572545), (5, 3658036), (10, 1829018), (20, 914509), (113, 161860), (226, 80930), (452, 40465), (565, 32372), (1130, 16186), (2260, 8093)]