19929147

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10663}}^1$

素因数の和:10762

約数の個数: 16

約数和(自身を含む): 30712320

約数和(自身を除く): 10783173

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10663, 31989, 74641, 223923, 949007, 2847021, 6643049, 19929147]

約数ペア:

[(1, 19929147), (3, 6643049), (7, 2847021), (21, 949007), (89, 223923), (267, 74641), (623, 31989), (1869, 10663)]