19962085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27919}}^1$

素因数の和:27948

約数の個数: 16

約数和(自身を含む): 28143360

約数和(自身を除く): 8181275

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27919, 139595, 307109, 362947, 1535545, 1814735, 3992417, 19962085]

約数ペア:

[(1, 19962085), (5, 3992417), (11, 1814735), (13, 1535545), (55, 362947), (65, 307109), (143, 139595), (715, 27919)]