20173877874

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{634279}}^1$

素因数の和:634340

約数の個数: 64

約数和(自身を含む): 48712704000

約数和(自身を除く): 28538826126

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 513, 558, 589, 837, 1026, 1178, 1674, 1767, 3534, 5301, 10602, 15903, 31806, 634279, 1268558, 1902837, 3805674, 5708511, 11417022, 12051301, 17125533, 19662649, 24102602, 34251066, 36153903, 39325298, 58987947, 72307806, 108461709, 117975894, 176963841, 216923418, 325385127, 353927682, 373590331, 530891523, 650770254, 747180662, 1061783046, 1120770993, 2241541986, 3362312979, 6724625958, 10086938937, 20173877874]

約数ペア:

[(1, 20173877874), (2, 10086938937), (3, 6724625958), (6, 3362312979), (9, 2241541986), (18, 1120770993), (19, 1061783046), (27, 747180662), (31, 650770254), (38, 530891523), (54, 373590331), (57, 353927682), (62, 325385127), (93, 216923418), (114, 176963841), (171, 117975894), (186, 108461709), (279, 72307806), (342, 58987947), (513, 39325298), (558, 36153903), (589, 34251066), (837, 24102602), (1026, 19662649), (1178, 17125533), (1674, 12051301), (1767, 11417022), (3534, 5708511), (5301, 3805674), (10602, 1902837), (15903, 1268558), (31806, 634279)]