18250834

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 33587136

約数和(自身を除く): 15336302

約数列:

[1, 2, 7, 14, 43, 49, 61, 71, 86, 98, 122, 142, 301, 427, 497, 602, 854, 994, 2107, 2623, 2989, 3053, 3479, 4214, 4331, 5246, 5978, 6106, 6958, 8662, 18361, 21371, 30317, 36722, 42742, 60634, 128527, 149597, 186233, 212219, 257054, 299194, 372466, 424438, 1303631, 2607262, 9125417, 18250834]

約数ペア:

[(1, 18250834), (2, 9125417), (7, 2607262), (14, 1303631), (43, 424438), (49, 372466), (61, 299194), (71, 257054), (86, 212219), (98, 186233), (122, 149597), (142, 128527), (301, 60634), (427, 42742), (497, 36722), (602, 30317), (854, 21371), (994, 18361), (2107, 8662), (2623, 6958), (2989, 6106), (3053, 5978), (3479, 5246), (4214, 4331)]