19664996877

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{30774643}}^1$

素因数の和:30774720

約数の個数: 12

約数和(自身を含む): 28805066784

約数和(自身を除く): 9140069907

約数列:

[1, 3, 9, 71, 213, 639, 30774643, 92323929, 276971787, 2184999653, 6554998959, 19664996877]

約数ペア:

[(1, 19664996877), (3, 6554998959), (9, 2184999653), (71, 276971787), (213, 92323929), (639, 30774643)]