19784255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1933}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 25064640

約数和(自身を除く): 5280385

約数列:

[1, 5, 23, 89, 115, 445, 1933, 2047, 9665, 10235, 44459, 172037, 222295, 860185, 3956851, 19784255]

約数ペア:

[(1, 19784255), (5, 3956851), (23, 860185), (89, 222295), (115, 172037), (445, 44459), (1933, 10235), (2047, 9665)]