18309520

素因数分解:

$2^4\times 5^1\times {\mathrm{228869}}^1$

素因数の和:228882

約数の個数: 20

約数和(自身を含む): 42569820

約数和(自身を除く): 24260300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228869, 457738, 915476, 1144345, 1830952, 2288690, 3661904, 4577380, 9154760, 18309520]

約数ペア:

[(1, 18309520), (2, 9154760), (4, 4577380), (5, 3661904), (8, 2288690), (10, 1830952), (16, 1144345), (20, 915476), (40, 457738), (80, 228869)]