19946811

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 27710208

約数和(自身を除く): 7763397

約数列:

[1, 3, 37, 71, 111, 213, 2531, 2627, 7593, 7881, 93647, 179701, 280941, 539103, 6648937, 19946811]

約数ペア:

[(1, 19946811), (3, 6648937), (37, 539103), (71, 280941), (111, 179701), (213, 93647), (2531, 7881), (2627, 7593)]