19853949999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{9613}}^1\times {\mathrm{52957}}^1$

素因数の和:62586

約数の個数: 16

約数和(自身を含む): 28511739872

約数和(自身を除く): 8657789873

約数列:

[1, 3, 13, 39, 9613, 28839, 52957, 124969, 158871, 374907, 688441, 2065323, 509075641, 1527226923, 6617983333, 19853949999]

約数ペア:

[(1, 19853949999), (3, 6617983333), (13, 1527226923), (39, 509075641), (9613, 2065323), (28839, 688441), (52957, 374907), (124969, 158871)]