18838842

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 25190598

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 83, 114, 166, 181, 209, 249, 362, 418, 498, 543, 627, 913, 1086, 1254, 1577, 1826, 1991, 2739, 3154, 3439, 3982, 4731, 5478, 5973, 6878, 9462, 10317, 11946, 15023, 17347, 20634, 30046, 34694, 37829, 45069, 52041, 75658, 90138, 104082, 113487, 165253, 226974, 285437, 330506, 495759, 570874, 856311, 991518, 1712622, 3139807, 6279614, 9419421, 18838842]

約数ペア:

[(1, 18838842), (2, 9419421), (3, 6279614), (6, 3139807), (11, 1712622), (19, 991518), (22, 856311), (33, 570874), (38, 495759), (57, 330506), (66, 285437), (83, 226974), (114, 165253), (166, 113487), (181, 104082), (209, 90138), (249, 75658), (362, 52041), (418, 45069), (498, 37829), (543, 34694), (627, 30046), (913, 20634), (1086, 17347), (1254, 15023), (1577, 11946), (1826, 10317), (1991, 9462), (2739, 6878), (3154, 5973), (3439, 5478), (3982, 4731)]