16991814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 24480186

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 107, 114, 133, 199, 214, 266, 321, 398, 399, 597, 642, 749, 798, 1194, 1393, 1498, 2033, 2247, 2786, 3781, 4066, 4179, 4494, 6099, 7562, 8358, 11343, 12198, 14231, 21293, 22686, 26467, 28462, 42586, 42693, 52934, 63879, 79401, 85386, 127758, 149051, 158802, 298102, 404567, 447153, 809134, 894306, 1213701, 2427402, 2831969, 5663938, 8495907, 16991814]

約数ペア:

[(1, 16991814), (2, 8495907), (3, 5663938), (6, 2831969), (7, 2427402), (14, 1213701), (19, 894306), (21, 809134), (38, 447153), (42, 404567), (57, 298102), (107, 158802), (114, 149051), (133, 127758), (199, 85386), (214, 79401), (266, 63879), (321, 52934), (398, 42693), (399, 42586), (597, 28462), (642, 26467), (749, 22686), (798, 21293), (1194, 14231), (1393, 12198), (1498, 11343), (2033, 8358), (2247, 7562), (2786, 6099), (3781, 4494), (4066, 4179)]