19218185816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{126435433}}^1$

素因数の和:126435458

約数の個数: 16

約数和(自身を含む): 37930630200

約数和(自身を除く): 18712444384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 126435433, 252870866, 505741732, 1011483464, 2402273227, 4804546454, 9609092908, 19218185816]

約数ペア:

[(1, 19218185816), (2, 9609092908), (4, 4804546454), (8, 2402273227), (19, 1011483464), (38, 505741732), (76, 252870866), (152, 126435433)]