19909544

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{85817}}^1$

素因数の和:85852

約数の個数: 16

約数和(自身を含む): 38618100

約数和(自身を除く): 18708556

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 85817, 171634, 343268, 686536, 2488693, 4977386, 9954772, 19909544]

約数ペア:

[(1, 19909544), (2, 9954772), (4, 4977386), (8, 2488693), (29, 686536), (58, 343268), (116, 171634), (232, 85817)]