19090485

素因数分解:

$3^4\times 5^1\times {\mathrm{47137}}^1$

素因数の和:47154

約数の個数: 20

約数和(自身を含む): 34222188

約数和(自身を除く): 15131703

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47137, 141411, 235685, 424233, 707055, 1272699, 2121165, 3818097, 6363495, 19090485]

約数ペア:

[(1, 19090485), (3, 6363495), (5, 3818097), (9, 2121165), (15, 1272699), (27, 707055), (45, 424233), (81, 235685), (135, 141411), (405, 47137)]