19568990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{279557}}^1$

素因数の和:279571

約数の個数: 16

約数和(自身を含む): 40256352

約数和(自身を除く): 20687362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 279557, 559114, 1397785, 1956899, 2795570, 3913798, 9784495, 19568990]

約数ペア:

[(1, 19568990), (2, 9784495), (5, 3913798), (7, 2795570), (10, 1956899), (14, 1397785), (35, 559114), (70, 279557)]