18212475

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 30345280

約数和(自身を除く): 12132805

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1747, 2085, 3475, 5241, 8735, 10425, 26205, 43675, 131025, 242833, 728499, 1214165, 3642495, 6070825, 18212475]

約数ペア:

[(1, 18212475), (3, 6070825), (5, 3642495), (15, 1214165), (25, 728499), (75, 242833), (139, 131025), (417, 43675), (695, 26205), (1747, 10425), (2085, 8735), (3475, 5241)]