18445168

素因数分解:

$2^4\times 7^3\times {\mathrm{3361}}^1$

素因数の和:3390

約数の個数: 40

約数和(自身を含む): 41688800

約数和(自身を除く): 23243632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3361, 5488, 6722, 13444, 23527, 26888, 47054, 53776, 94108, 164689, 188216, 329378, 376432, 658756, 1152823, 1317512, 2305646, 2635024, 4611292, 9222584, 18445168]

約数ペア:

[(1, 18445168), (2, 9222584), (4, 4611292), (7, 2635024), (8, 2305646), (14, 1317512), (16, 1152823), (28, 658756), (49, 376432), (56, 329378), (98, 188216), (112, 164689), (196, 94108), (343, 53776), (392, 47054), (686, 26888), (784, 23527), (1372, 13444), (2744, 6722), (3361, 5488)]