18965903

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3886

約数の個数: 12

約数和(自身を含む): 21360864

約数和(自身を除く): 2394961

約数列:

[1, 11, 41, 121, 451, 3823, 4961, 42053, 156743, 462583, 1724173, 18965903]

約数ペア:

[(1, 18965903), (11, 1724173), (41, 462583), (121, 156743), (451, 42053), (3823, 4961)]