17690218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 34038144

約数和(自身を除く): 16347926

約数列:

[1, 2, 7, 13, 14, 26, 37, 71, 74, 91, 142, 182, 259, 481, 497, 518, 923, 962, 994, 1369, 1846, 2627, 2738, 3367, 5254, 6461, 6734, 9583, 12922, 17797, 18389, 19166, 34151, 35594, 36778, 68302, 97199, 124579, 194398, 239057, 249158, 478114, 680393, 1263587, 1360786, 2527174, 8845109, 17690218]

約数ペア:

[(1, 17690218), (2, 8845109), (7, 2527174), (13, 1360786), (14, 1263587), (26, 680393), (37, 478114), (71, 249158), (74, 239057), (91, 194398), (142, 124579), (182, 97199), (259, 68302), (481, 36778), (497, 35594), (518, 34151), (923, 19166), (962, 18389), (994, 17797), (1369, 12922), (1846, 9583), (2627, 6734), (2738, 6461), (3367, 5254)]