18402538

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 35934624

約数和(自身を除く): 17532086

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 397, 473, 539, 602, 794, 946, 1078, 2107, 2779, 3311, 4214, 4367, 5558, 6622, 8734, 17071, 19453, 23177, 30569, 34142, 38906, 46354, 61138, 119497, 187781, 213983, 238994, 375562, 427966, 836479, 1314467, 1672958, 2628934, 9201269, 18402538]

約数ペア:

[(1, 18402538), (2, 9201269), (7, 2628934), (11, 1672958), (14, 1314467), (22, 836479), (43, 427966), (49, 375562), (77, 238994), (86, 213983), (98, 187781), (154, 119497), (301, 61138), (397, 46354), (473, 38906), (539, 34142), (602, 30569), (794, 23177), (946, 19453), (1078, 17071), (2107, 8734), (2779, 6622), (3311, 5558), (4214, 4367)]