19980898

素因数分解:

$2^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{1553}}^1$

素因数の和:2481

約数の個数: 16

約数和(自身を含む): 34312320

約数和(自身を除く): 14331422

約数列:

[1, 2, 7, 14, 919, 1553, 1838, 3106, 6433, 10871, 12866, 21742, 1427207, 2854414, 9990449, 19980898]

約数ペア:

[(1, 19980898), (2, 9990449), (7, 2854414), (14, 1427207), (919, 21742), (1553, 12866), (1838, 10871), (3106, 6433)]