19431530

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1949}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 35029800

約数和(自身を除く): 15598270

約数列:

[1, 2, 5, 10, 997, 1949, 1994, 3898, 4985, 9745, 9970, 19490, 1943153, 3886306, 9715765, 19431530]

約数ペア:

[(1, 19431530), (2, 9715765), (5, 3886306), (10, 1943153), (997, 19490), (1949, 9970), (1994, 9745), (3898, 4985)]