19022121

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3217}}^1$

素因数の和:3302

約数の個数: 20

約数和(自身を含む): 28813972

約数和(自身を除く): 9791851

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3217, 5913, 9651, 28953, 86859, 234841, 260577, 704523, 2113569, 6340707, 19022121]

約数ペア:

[(1, 19022121), (3, 6340707), (9, 2113569), (27, 704523), (73, 260577), (81, 234841), (219, 86859), (657, 28953), (1971, 9651), (3217, 5913)]