19975065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121061}}^1$

素因数の和:121080

約数の個数: 16

約数和(自身を含む): 34865856

約数和(自身を除く): 14890791

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121061, 363183, 605305, 1331671, 1815915, 3995013, 6658355, 19975065]

約数ペア:

[(1, 19975065), (3, 6658355), (5, 3995013), (11, 1815915), (15, 1331671), (33, 605305), (55, 363183), (165, 121061)]