19684970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45779}}^1$

素因数の和:45829

約数の個数: 16

約数和(自身を含む): 36257760

約数和(自身を除く): 16572790

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 45779, 91558, 228895, 457790, 1968497, 3936994, 9842485, 19684970]

約数ペア:

[(1, 19684970), (2, 9842485), (5, 3936994), (10, 1968497), (43, 457790), (86, 228895), (215, 91558), (430, 45779)]