19012509

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{6581}}^1$

素因数の和:6697

約数の個数: 16

約数和(自身を含む): 28434240

約数和(自身を除く): 9421731

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 6581, 19743, 59229, 177687, 704167, 2112501, 6337503, 19012509]

約数ペア:

[(1, 19012509), (3, 6337503), (9, 2112501), (27, 704167), (107, 177687), (321, 59229), (963, 19743), (2889, 6581)]