18887824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62131}}^1$

素因数の和:62158

約数の個数: 20

約数和(自身を含む): 38521840

約数和(自身を除く): 19634016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62131, 124262, 248524, 497048, 994096, 1180489, 2360978, 4721956, 9443912, 18887824]

約数ペア:

[(1, 18887824), (2, 9443912), (4, 4721956), (8, 2360978), (16, 1180489), (19, 994096), (38, 497048), (76, 248524), (152, 124262), (304, 62131)]