19625607

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{30713}}^1$

素因数の和:30790

約数の個数: 12

約数和(自身を含む): 28748304

約数和(自身を除く): 9122697

約数列:

[1, 3, 9, 71, 213, 639, 30713, 92139, 276417, 2180623, 6541869, 19625607]

約数ペア:

[(1, 19625607), (3, 6541869), (9, 2180623), (71, 276417), (213, 92139), (639, 30713)]