18672346

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 37428480

約数和(自身を除く): 18756134

約数列:

[1, 2, 7, 11, 14, 22, 29, 37, 58, 74, 77, 113, 154, 203, 226, 259, 319, 406, 407, 518, 638, 791, 814, 1073, 1243, 1582, 2146, 2233, 2486, 2849, 3277, 4181, 4466, 5698, 6554, 7511, 8362, 8701, 11803, 15022, 17402, 22939, 23606, 29267, 36047, 45878, 45991, 58534, 72094, 82621, 91982, 121249, 165242, 242498, 252329, 321937, 504658, 643874, 848743, 1333739, 1697486, 2667478, 9336173, 18672346]

約数ペア:

[(1, 18672346), (2, 9336173), (7, 2667478), (11, 1697486), (14, 1333739), (22, 848743), (29, 643874), (37, 504658), (58, 321937), (74, 252329), (77, 242498), (113, 165242), (154, 121249), (203, 91982), (226, 82621), (259, 72094), (319, 58534), (406, 45991), (407, 45878), (518, 36047), (638, 29267), (791, 23606), (814, 22939), (1073, 17402), (1243, 15022), (1582, 11803), (2146, 8701), (2233, 8362), (2486, 7511), (2849, 6554), (3277, 5698), (4181, 4466)]