18573906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 42900480

約数和(自身を除く): 24326574

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 83, 114, 151, 166, 247, 249, 302, 453, 494, 498, 741, 906, 1079, 1482, 1577, 1963, 2158, 2869, 3154, 3237, 3926, 4731, 5738, 5889, 6474, 8607, 9462, 11778, 12533, 17214, 20501, 25066, 37297, 37599, 41002, 61503, 74594, 75198, 111891, 123006, 162929, 223782, 238127, 325858, 476254, 488787, 714381, 977574, 1428762, 3095651, 6191302, 9286953, 18573906]

約数ペア:

[(1, 18573906), (2, 9286953), (3, 6191302), (6, 3095651), (13, 1428762), (19, 977574), (26, 714381), (38, 488787), (39, 476254), (57, 325858), (78, 238127), (83, 223782), (114, 162929), (151, 123006), (166, 111891), (247, 75198), (249, 74594), (302, 61503), (453, 41002), (494, 37599), (498, 37297), (741, 25066), (906, 20501), (1079, 17214), (1482, 12533), (1577, 11778), (1963, 9462), (2158, 8607), (2869, 6474), (3154, 5889), (3237, 5738), (3926, 4731)]