18708774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445447}}^1$

素因数の和:445459

約数の個数: 16

約数和(自身を含む): 42763008

約数和(自身を除く): 24054234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445447, 890894, 1336341, 2672682, 3118129, 6236258, 9354387, 18708774]

約数ペア:

[(1, 18708774), (2, 9354387), (3, 6236258), (6, 3118129), (7, 2672682), (14, 1336341), (21, 890894), (42, 445447)]