18275440

素因数分解:

$2^4\times 5^1\times {\mathrm{228443}}^1$

素因数の和:228456

約数の個数: 20

約数和(自身を含む): 42490584

約数和(自身を除く): 24215144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228443, 456886, 913772, 1142215, 1827544, 2284430, 3655088, 4568860, 9137720, 18275440]

約数ペア:

[(1, 18275440), (2, 9137720), (4, 4568860), (5, 3655088), (8, 2284430), (10, 1827544), (16, 1142215), (20, 913772), (40, 456886), (80, 228443)]