19149136

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17863}}^1$

素因数の和:17938

約数の個数: 20

約数和(自身を含む): 37657312

約数和(自身を除く): 18508176

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17863, 35726, 71452, 142904, 285808, 1196821, 2393642, 4787284, 9574568, 19149136]

約数ペア:

[(1, 19149136), (2, 9574568), (4, 4787284), (8, 2393642), (16, 1196821), (67, 285808), (134, 142904), (268, 71452), (536, 35726), (1072, 17863)]