19884279

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1753}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 28064000

約数和(自身を除く): 8179721

約数列:

[1, 3, 19, 57, 199, 597, 1753, 3781, 5259, 11343, 33307, 99921, 348847, 1046541, 6628093, 19884279]

約数ペア:

[(1, 19884279), (3, 6628093), (19, 1046541), (57, 348847), (199, 99921), (597, 33307), (1753, 11343), (3781, 5259)]