19965197

素因数分解:

$7^2\times {\mathrm{433}}^1\times {\mathrm{941}}^1$

素因数の和:1388

約数の個数: 12

約数和(自身を含む): 23303196

約数和(自身を除く): 3337999

約数列:

[1, 7, 49, 433, 941, 3031, 6587, 21217, 46109, 407453, 2852171, 19965197]

約数ペア:

[(1, 19965197), (7, 2852171), (49, 407453), (433, 46109), (941, 21217), (3031, 6587)]