19691320292

素因数分解:

$2^2\times 7^1\times {\mathrm{703261439}}^1$

素因数の和:703261450

約数の個数: 12

約数和(自身を含む): 39382640640

約数和(自身を除く): 19691320348

約数列:

[1, 2, 4, 7, 14, 28, 703261439, 1406522878, 2813045756, 4922830073, 9845660146, 19691320292]

約数ペア:

[(1, 19691320292), (2, 9845660146), (4, 4922830073), (7, 2813045756), (14, 1406522878), (28, 703261439)]