19768886

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4759}}^1$

素因数の和:4859

約数の個数: 16

約数和(自身を含む): 31073280

約数和(自身を除く): 11304394

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 4759, 9518, 147529, 295058, 318853, 637706, 9884443, 19768886]

約数ペア:

[(1, 19768886), (2, 9884443), (31, 637706), (62, 318853), (67, 295058), (134, 147529), (2077, 9518), (4154, 4759)]