18773604

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 49288512

約数和(自身を除く): 30514908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 83, 103, 122, 166, 183, 206, 244, 249, 309, 332, 366, 412, 498, 549, 618, 732, 747, 927, 996, 1098, 1236, 1494, 1854, 2196, 2988, 3708, 5063, 6283, 8549, 10126, 12566, 15189, 17098, 18849, 20252, 25132, 25647, 30378, 34196, 37698, 45567, 51294, 56547, 60756, 75396, 76941, 91134, 102588, 113094, 153882, 182268, 226188, 307764, 521489, 1042978, 1564467, 2085956, 3128934, 4693401, 6257868, 9386802, 18773604]

約数ペア:

[(1, 18773604), (2, 9386802), (3, 6257868), (4, 4693401), (6, 3128934), (9, 2085956), (12, 1564467), (18, 1042978), (36, 521489), (61, 307764), (83, 226188), (103, 182268), (122, 153882), (166, 113094), (183, 102588), (206, 91134), (244, 76941), (249, 75396), (309, 60756), (332, 56547), (366, 51294), (412, 45567), (498, 37698), (549, 34196), (618, 30378), (732, 25647), (747, 25132), (927, 20252), (996, 18849), (1098, 17098), (1236, 15189), (1494, 12566), (1854, 10126), (2196, 8549), (2988, 6283), (3708, 5063)]