18937941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{13997}}^1$

素因数の和:14052

約数の個数: 16

約数和(自身を含む): 28219968

約数和(自身を除く): 9282027

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 13997, 41991, 153967, 461901, 573877, 1721631, 6312647, 18937941]

約数ペア:

[(1, 18937941), (3, 6312647), (11, 1721631), (33, 573877), (41, 461901), (123, 153967), (451, 41991), (1353, 13997)]