18786951

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{3643}}^1$

素因数の和:3843

約数の個数: 16

約数和(自身を含む): 27985920

約数和(自身を除く): 9198969

約数列:

[1, 3, 9, 27, 191, 573, 1719, 3643, 5157, 10929, 32787, 98361, 695813, 2087439, 6262317, 18786951]

約数ペア:

[(1, 18786951), (3, 6262317), (9, 2087439), (27, 695813), (191, 98361), (573, 32787), (1719, 10929), (3643, 5157)]