18845480

素因数分解:

$2^3\times 5^1\times {\mathrm{471137}}^1$

素因数の和:471148

約数の個数: 16

約数和(自身を含む): 42402420

約数和(自身を除く): 23556940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471137, 942274, 1884548, 2355685, 3769096, 4711370, 9422740, 18845480]

約数ペア:

[(1, 18845480), (2, 9422740), (4, 4711370), (5, 3769096), (8, 2355685), (10, 1884548), (20, 942274), (40, 471137)]