18152080

素因数分解:

$2^4\times 5^1\times {\mathrm{226901}}^1$

素因数の和:226914

約数の個数: 20

約数和(自身を含む): 42203772

約数和(自身を除く): 24051692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226901, 453802, 907604, 1134505, 1815208, 2269010, 3630416, 4538020, 9076040, 18152080]

約数ペア:

[(1, 18152080), (2, 9076040), (4, 4538020), (5, 3630416), (8, 2269010), (10, 1815208), (16, 1134505), (20, 907604), (40, 453802), (80, 226901)]