19969917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{35597}}^1$

素因数の和:35628

約数の個数: 16

約数和(自身を含む): 30756672

約数和(自身を除く): 10786755

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 35597, 106791, 391567, 605149, 1174701, 1815447, 6656639, 19969917]

約数ペア:

[(1, 19969917), (3, 6656639), (11, 1815447), (17, 1174701), (33, 605149), (51, 391567), (187, 106791), (561, 35597)]