19991983

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{9719}}^1$

素因数の和:9758

約数の個数: 12

約数和(自身を含む): 23269680

約数和(自身を除く): 3277697

約数列:

[1, 11, 17, 121, 187, 2057, 9719, 106909, 165223, 1175999, 1817453, 19991983]

約数ペア:

[(1, 19991983), (11, 1817453), (17, 1175999), (121, 165223), (187, 106909), (2057, 9719)]