19688408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{129529}}^1$

素因数の和:129554

約数の個数: 16

約数和(自身を含む): 38859000

約数和(自身を除く): 19170592

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 129529, 259058, 518116, 1036232, 2461051, 4922102, 9844204, 19688408]

約数ペア:

[(1, 19688408), (2, 9844204), (4, 4922102), (8, 2461051), (19, 1036232), (38, 518116), (76, 259058), (152, 129529)]