19875546866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{113041}}^1$

素因数の和:113730

約数の個数: 32

約数和(自身を含む): 35920225920

約数和(自身を除く): 16044679054

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 661, 1322, 4627, 9254, 12559, 25118, 87913, 113041, 175826, 226082, 791287, 1582574, 2147779, 4295558, 15034453, 30068906, 74720101, 149440202, 523040707, 1046081414, 1419681919, 2839363838, 9937773433, 19875546866]

約数ペア:

[(1, 19875546866), (2, 9937773433), (7, 2839363838), (14, 1419681919), (19, 1046081414), (38, 523040707), (133, 149440202), (266, 74720101), (661, 30068906), (1322, 15034453), (4627, 4295558), (9254, 2147779), (12559, 1582574), (25118, 791287), (87913, 226082), (113041, 175826)]