19482741

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 30011520

約数和(自身を除く): 10528779

約数列:

[1, 3, 9, 27, 43, 97, 129, 173, 291, 387, 519, 873, 1161, 1557, 2619, 4171, 4671, 7439, 12513, 16781, 22317, 37539, 50343, 66951, 112617, 151029, 200853, 453087, 721583, 2164749, 6494247, 19482741]

約数ペア:

[(1, 19482741), (3, 6494247), (9, 2164749), (27, 721583), (43, 453087), (97, 200853), (129, 151029), (173, 112617), (291, 66951), (387, 50343), (519, 37539), (873, 22317), (1161, 16781), (1557, 12513), (2619, 7439), (4171, 4671)]