18340578

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 40974336

約数和(自身を除く): 22633758

約数列:

[1, 2, 3, 6, 9, 18, 71, 113, 127, 142, 213, 226, 254, 339, 381, 426, 639, 678, 762, 1017, 1143, 1278, 2034, 2286, 8023, 9017, 14351, 16046, 18034, 24069, 27051, 28702, 43053, 48138, 54102, 72207, 81153, 86106, 129159, 144414, 162306, 258318, 1018921, 2037842, 3056763, 6113526, 9170289, 18340578]

約数ペア:

[(1, 18340578), (2, 9170289), (3, 6113526), (6, 3056763), (9, 2037842), (18, 1018921), (71, 258318), (113, 162306), (127, 144414), (142, 129159), (213, 86106), (226, 81153), (254, 72207), (339, 54102), (381, 48138), (426, 43053), (639, 28702), (678, 27051), (762, 24069), (1017, 18034), (1143, 16046), (1278, 14351), (2034, 9017), (2286, 8023)]