19980310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285433}}^1$

素因数の和:285447

約数の個数: 16

約数和(自身を含む): 41102496

約数和(自身を除く): 21122186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285433, 570866, 1427165, 1998031, 2854330, 3996062, 9990155, 19980310]

約数ペア:

[(1, 19980310), (2, 9990155), (5, 3996062), (7, 2854330), (10, 1998031), (14, 1427165), (35, 570866), (70, 285433)]