18788319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1097}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 29804112

約数和(自身を除く): 11015793

約数列:

[1, 3, 9, 11, 33, 99, 173, 519, 1097, 1557, 1903, 3291, 5709, 9873, 12067, 17127, 36201, 108603, 189781, 569343, 1708029, 2087591, 6262773, 18788319]

約数ペア:

[(1, 18788319), (3, 6262773), (9, 2087591), (11, 1708029), (33, 569343), (99, 189781), (173, 108603), (519, 36201), (1097, 17127), (1557, 12067), (1903, 9873), (3291, 5709)]