19965718487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{3863}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 23992657920

約数和(自身を除く): 4026939433

約数列:

[1, 11, 13, 47, 143, 517, 611, 769, 3863, 6721, 8459, 9997, 36143, 42493, 50219, 109967, 181561, 397573, 469859, 552409, 1997171, 2360293, 2970647, 5168449, 25963223, 32677117, 38618411, 139620409, 424802521, 1535824499, 1815065317, 19965718487]

約数ペア:

[(1, 19965718487), (11, 1815065317), (13, 1535824499), (47, 424802521), (143, 139620409), (517, 38618411), (611, 32677117), (769, 25963223), (3863, 5168449), (6721, 2970647), (8459, 2360293), (9997, 1997171), (36143, 552409), (42493, 469859), (50219, 397573), (109967, 181561)]