66387824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218381}}^1$

素因数の和:218408

約数の個数: 20

約数和(自身を含む): 135396840

約数和(自身を除く): 69009016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218381, 436762, 873524, 1747048, 3494096, 4149239, 8298478, 16596956, 33193912, 66387824]

約数ペア:

[(1, 66387824), (2, 33193912), (4, 16596956), (8, 8298478), (16, 4149239), (19, 3494096), (38, 1747048), (76, 873524), (152, 436762), (304, 218381)]