19868085

素因数分解:

$3^4\times 5^1\times {\mathrm{49057}}^1$

素因数の和:49074

約数の個数: 20

約数和(自身を含む): 35616108

約数和(自身を除く): 15748023

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49057, 147171, 245285, 441513, 735855, 1324539, 2207565, 3973617, 6622695, 19868085]

約数ペア:

[(1, 19868085), (3, 6622695), (5, 3973617), (9, 2207565), (15, 1324539), (27, 735855), (45, 441513), (81, 245285), (135, 147171), (405, 49057)]