17996874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 42412608

約数和(自身を除く): 24415734

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 313, 518, 626, 777, 939, 1369, 1554, 1878, 2191, 2738, 4107, 4382, 6573, 8214, 9583, 11581, 13146, 19166, 23162, 28749, 34743, 57498, 69486, 81067, 162134, 243201, 428497, 486402, 856994, 1285491, 2570982, 2999479, 5998958, 8998437, 17996874]

約数ペア:

[(1, 17996874), (2, 8998437), (3, 5998958), (6, 2999479), (7, 2570982), (14, 1285491), (21, 856994), (37, 486402), (42, 428497), (74, 243201), (111, 162134), (222, 81067), (259, 69486), (313, 57498), (518, 34743), (626, 28749), (777, 23162), (939, 19166), (1369, 13146), (1554, 11581), (1878, 9583), (2191, 8214), (2738, 6573), (4107, 4382)]