19865197

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2660

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 3649427

約数列:

[1, 11, 17, 41, 187, 451, 697, 2591, 7667, 28501, 44047, 106231, 484517, 1168541, 1805927, 19865197]

約数ペア:

[(1, 19865197), (11, 1805927), (17, 1168541), (41, 484517), (187, 106231), (451, 44047), (697, 28501), (2591, 7667)]