19771389

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4871}}^1$

素因数の和:4929

約数の個数: 24

約数和(自身を含む): 31921344

約数和(自身を除く): 12149955

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 4871, 14613, 43839, 53581, 160743, 199711, 482229, 599133, 1797399, 2196821, 6590463, 19771389]

約数ペア:

[(1, 19771389), (3, 6590463), (9, 2196821), (11, 1797399), (33, 599133), (41, 482229), (99, 199711), (123, 160743), (369, 53581), (451, 43839), (1353, 14613), (4059, 4871)]