19491710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39779}}^1$

素因数の和:39800

約数の個数: 24

約数和(自身を含む): 40814280

約数和(自身を除く): 21322570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39779, 79558, 198895, 278453, 397790, 556906, 1392265, 1949171, 2784530, 3898342, 9745855, 19491710]

約数ペア:

[(1, 19491710), (2, 9745855), (5, 3898342), (7, 2784530), (10, 1949171), (14, 1392265), (35, 556906), (49, 397790), (70, 278453), (98, 198895), (245, 79558), (490, 39779)]