19492876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 36

約数和(自身を含む): 37823296

約数和(自身を除く): 18330420

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 223, 446, 533, 892, 1066, 1681, 2132, 2899, 3362, 5798, 6724, 9143, 11596, 18286, 21853, 36572, 43706, 87412, 118859, 237718, 374863, 475436, 749726, 1499452, 4873219, 9746438, 19492876]

約数ペア:

[(1, 19492876), (2, 9746438), (4, 4873219), (13, 1499452), (26, 749726), (41, 475436), (52, 374863), (82, 237718), (164, 118859), (223, 87412), (446, 43706), (533, 36572), (892, 21853), (1066, 18286), (1681, 11596), (2132, 9143), (2899, 6724), (3362, 5798)]