19906562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1249}}^1$

素因数の和:1877

約数の個数: 16

約数和(自身を含む): 32235000

約数和(自身を除く): 12328438

約数列:

[1, 2, 13, 26, 613, 1226, 1249, 2498, 7969, 15938, 16237, 32474, 765637, 1531274, 9953281, 19906562]

約数ペア:

[(1, 19906562), (2, 9953281), (13, 1531274), (26, 765637), (613, 32474), (1226, 16237), (1249, 15938), (2498, 7969)]