19801276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450029}}^1$

素因数の和:450044

約数の個数: 12

約数和(自身を含む): 37802520

約数和(自身を除く): 18001244

約数列:

[1, 2, 4, 11, 22, 44, 450029, 900058, 1800116, 4950319, 9900638, 19801276]

約数ペア:

[(1, 19801276), (2, 9900638), (4, 4950319), (11, 1800116), (22, 900058), (44, 450029)]