19970335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51871}}^1$

素因数の和:51894

約数の個数: 16

約数和(自身を含む): 29878272

約数和(自身を除く): 9907937

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51871, 259355, 363097, 570581, 1815485, 2852905, 3994067, 19970335]

約数ペア:

[(1, 19970335), (5, 3994067), (7, 2852905), (11, 1815485), (35, 570581), (55, 363097), (77, 259355), (385, 51871)]