19786970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{282671}}^1$

素因数の和:282685

約数の個数: 16

約数和(自身を含む): 40704768

約数和(自身を除く): 20917798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 282671, 565342, 1413355, 1978697, 2826710, 3957394, 9893485, 19786970]

約数ペア:

[(1, 19786970), (2, 9893485), (5, 3957394), (7, 2826710), (10, 1978697), (14, 1413355), (35, 565342), (70, 282671)]