16939013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 22391040

約数和(自身を除く): 5452027

約数列:

[1, 7, 13, 19, 91, 97, 101, 133, 247, 679, 707, 1261, 1313, 1729, 1843, 1919, 8827, 9191, 9797, 12901, 13433, 23959, 24947, 68579, 127361, 167713, 174629, 186143, 891527, 1303001, 2419859, 16939013]

約数ペア:

[(1, 16939013), (7, 2419859), (13, 1303001), (19, 891527), (91, 186143), (97, 174629), (101, 167713), (133, 127361), (247, 68579), (679, 24947), (707, 23959), (1261, 13433), (1313, 12901), (1729, 9797), (1843, 9191), (1919, 8827)]