19493771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 22433760

約数和(自身を除く): 2939989

約数列:

[1, 11, 29, 53, 319, 583, 1153, 1537, 12683, 16907, 33437, 61109, 367807, 672199, 1772161, 19493771]

約数ペア:

[(1, 19493771), (11, 1772161), (29, 672199), (53, 367807), (319, 61109), (583, 33437), (1153, 16907), (1537, 12683)]