18804918897

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67401143}}^1$

素因数の和:67401180

約数の個数: 12

約数和(自身を含む): 28038875904

約数和(自身を除く): 9233957007

約数列:

[1, 3, 9, 31, 93, 279, 67401143, 202203429, 606610287, 2089435433, 6268306299, 18804918897]

約数ペア:

[(1, 18804918897), (3, 6268306299), (9, 2089435433), (31, 606610287), (93, 202203429), (279, 67401143)]