19696670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281381}}^1$

素因数の和:281395

約数の個数: 16

約数和(自身を含む): 40519008

約数和(自身を除く): 20822338

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281381, 562762, 1406905, 1969667, 2813810, 3939334, 9848335, 19696670]

約数ペア:

[(1, 19696670), (2, 9848335), (5, 3939334), (7, 2813810), (10, 1969667), (14, 1406905), (35, 562762), (70, 281381)]