19079901

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10468899

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 269, 333, 639, 807, 999, 1917, 2421, 2627, 7263, 7881, 9953, 19099, 23643, 29859, 57297, 70929, 89577, 171891, 268731, 515673, 706663, 2119989, 6359967, 19079901]

約数ペア:

[(1, 19079901), (3, 6359967), (9, 2119989), (27, 706663), (37, 515673), (71, 268731), (111, 171891), (213, 89577), (269, 70929), (333, 57297), (639, 29859), (807, 23643), (999, 19099), (1917, 9953), (2421, 7881), (2627, 7263)]