18640874

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 35163072

約数和(自身を除く): 16522198

約数列:

[1, 2, 7, 14, 17, 34, 49, 67, 98, 119, 134, 167, 238, 334, 469, 833, 938, 1139, 1169, 1666, 2278, 2338, 2839, 3283, 5678, 6566, 7973, 8183, 11189, 15946, 16366, 19873, 22378, 39746, 55811, 78323, 111622, 139111, 156646, 190213, 278222, 380426, 548261, 1096522, 1331491, 2662982, 9320437, 18640874]

約数ペア:

[(1, 18640874), (2, 9320437), (7, 2662982), (14, 1331491), (17, 1096522), (34, 548261), (49, 380426), (67, 278222), (98, 190213), (119, 156646), (134, 139111), (167, 111622), (238, 78323), (334, 55811), (469, 39746), (833, 22378), (938, 19873), (1139, 16366), (1169, 15946), (1666, 11189), (2278, 8183), (2338, 7973), (2839, 6566), (3283, 5678)]