19128970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{273271}}^1$

素因数の和:273285

約数の個数: 16

約数和(自身を含む): 39351168

約数和(自身を除く): 20222198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 273271, 546542, 1366355, 1912897, 2732710, 3825794, 9564485, 19128970]

約数ペア:

[(1, 19128970), (2, 9564485), (5, 3825794), (7, 2732710), (10, 1912897), (14, 1366355), (35, 546542), (70, 273271)]