19938831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2351}}^1$

素因数の和:2622

約数の個数: 16

約数和(自身を含む): 29127168

約数和(自身を除く): 9188337

約数列:

[1, 3, 11, 33, 257, 771, 2351, 2827, 7053, 8481, 25861, 77583, 604207, 1812621, 6646277, 19938831]

約数ペア:

[(1, 19938831), (3, 6646277), (11, 1812621), (33, 604207), (257, 77583), (771, 25861), (2351, 8481), (2827, 7053)]