19801416964

素因数分解:

$2^2\times 7^1\times {\mathrm{707193463}}^1$

素因数の和:707193474

約数の個数: 12

約数和(自身を含む): 39602833984

約数和(自身を除く): 19801417020

約数列:

[1, 2, 4, 7, 14, 28, 707193463, 1414386926, 2828773852, 4950354241, 9900708482, 19801416964]

約数ペア:

[(1, 19801416964), (2, 9900708482), (4, 4950354241), (7, 2828773852), (14, 1414386926), (28, 707193463)]