19000521

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{7907}}^1$

素因数の和:8005

約数の個数: 16

約数和(自身を含む): 28468800

約数和(自身を除く): 9468279

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 7907, 23721, 71163, 213489, 703723, 2111169, 6333507, 19000521]

約数ペア:

[(1, 19000521), (3, 6333507), (9, 2111169), (27, 703723), (89, 213489), (267, 71163), (801, 23721), (2403, 7907)]