19662777

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{38329}}^1$

素因数の和:38357

約数の個数: 16

約数和(自身を含む): 30664000

約数和(自身を除く): 11001223

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 38329, 114987, 344961, 728251, 1034883, 2184753, 6554259, 19662777]

約数ペア:

[(1, 19662777), (3, 6554259), (9, 2184753), (19, 1034883), (27, 728251), (57, 344961), (171, 114987), (513, 38329)]