18028845

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1609}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 14428755

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1609, 2241, 3735, 4827, 8045, 11205, 14481, 24135, 43443, 72405, 133547, 217215, 400641, 667735, 1201923, 2003205, 3605769, 6009615, 18028845]

約数ペア:

[(1, 18028845), (3, 6009615), (5, 3605769), (9, 2003205), (15, 1201923), (27, 667735), (45, 400641), (83, 217215), (135, 133547), (249, 72405), (415, 43443), (747, 24135), (1245, 14481), (1609, 11205), (2241, 8045), (3735, 4827)]