18443216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2499

約数の個数: 40

約数和(自身を含む): 39905184

約数和(自身を除く): 21461968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2437, 3784, 4874, 7568, 9748, 19496, 26807, 38992, 53614, 104791, 107228, 209582, 214456, 419164, 428912, 838328, 1152701, 1676656, 2305402, 4610804, 9221608, 18443216]

約数ペア:

[(1, 18443216), (2, 9221608), (4, 4610804), (8, 2305402), (11, 1676656), (16, 1152701), (22, 838328), (43, 428912), (44, 419164), (86, 214456), (88, 209582), (172, 107228), (176, 104791), (344, 53614), (473, 38992), (688, 26807), (946, 19496), (1892, 9748), (2437, 7568), (3784, 4874)]