19992885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121169}}^1$

素因数の和:121188

約数の個数: 16

約数和(自身を含む): 34896960

約数和(自身を除く): 14904075

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121169, 363507, 605845, 1332859, 1817535, 3998577, 6664295, 19992885]

約数ペア:

[(1, 19992885), (3, 6664295), (5, 3998577), (11, 1817535), (15, 1332859), (33, 605845), (55, 363507), (165, 121169)]