19809093

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{6871}}^1$

素因数の和:6936

約数の個数: 12

約数和(自身を含む): 27295584

約数和(自身を除く): 7486491

約数列:

[1, 3, 31, 93, 961, 2883, 6871, 20613, 213001, 639003, 6603031, 19809093]

約数ペア:

[(1, 19809093), (3, 6603031), (31, 639003), (93, 213001), (961, 20613), (2883, 6871)]