18256120

素因数分解:

$2^3\times 5^1\times {\mathrm{456403}}^1$

素因数の和:456414

約数の個数: 16

約数和(自身を含む): 41076360

約数和(自身を除く): 22820240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 456403, 912806, 1825612, 2282015, 3651224, 4564030, 9128060, 18256120]

約数ペア:

[(1, 18256120), (2, 9128060), (4, 4564030), (5, 3651224), (8, 2282015), (10, 1825612), (20, 912806), (40, 456403)]