19903838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1051}}^1$

素因数の和:1627

約数の個数: 16

約数和(自身を含む): 31698864

約数和(自身を除く): 11795026

約数列:

[1, 2, 17, 34, 557, 1051, 1114, 2102, 9469, 17867, 18938, 35734, 585407, 1170814, 9951919, 19903838]

約数ペア:

[(1, 19903838), (2, 9951919), (17, 1170814), (34, 585407), (557, 35734), (1051, 18938), (1114, 17867), (2102, 9469)]