18857214

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 42112512

約数和(自身を除く): 23255298

約数列:

[1, 2, 3, 6, 9, 18, 73, 113, 127, 146, 219, 226, 254, 339, 381, 438, 657, 678, 762, 1017, 1143, 1314, 2034, 2286, 8249, 9271, 14351, 16498, 18542, 24747, 27813, 28702, 43053, 49494, 55626, 74241, 83439, 86106, 129159, 148482, 166878, 258318, 1047623, 2095246, 3142869, 6285738, 9428607, 18857214]

約数ペア:

[(1, 18857214), (2, 9428607), (3, 6285738), (6, 3142869), (9, 2095246), (18, 1047623), (73, 258318), (113, 166878), (127, 148482), (146, 129159), (219, 86106), (226, 83439), (254, 74241), (339, 55626), (381, 49494), (438, 43053), (657, 28702), (678, 27813), (762, 24747), (1017, 18542), (1143, 16498), (1314, 14351), (2034, 9271), (2286, 8249)]