18556153

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 23803200

約数和(自身を除く): 5247047

約数列:

[1, 7, 11, 49, 77, 173, 199, 539, 1211, 1393, 1903, 2189, 8477, 9751, 13321, 15323, 34427, 93247, 107261, 240989, 378697, 1686923, 2650879, 18556153]

約数ペア:

[(1, 18556153), (7, 2650879), (11, 1686923), (49, 378697), (77, 240989), (173, 107261), (199, 93247), (539, 34427), (1211, 15323), (1393, 13321), (1903, 9751), (2189, 8477)]