19650190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{280717}}^1$

素因数の和:280731

約数の個数: 16

約数和(自身を含む): 40423392

約数和(自身を除く): 20773202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 280717, 561434, 1403585, 1965019, 2807170, 3930038, 9825095, 19650190]

約数ペア:

[(1, 19650190), (2, 9825095), (5, 3930038), (7, 2807170), (10, 1965019), (14, 1403585), (35, 561434), (70, 280717)]