18180507

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 6979173

約数列:

[1, 3, 41, 79, 123, 237, 1871, 3239, 5613, 9717, 76711, 147809, 230133, 443427, 6060169, 18180507]

約数ペア:

[(1, 18180507), (3, 6060169), (41, 443427), (79, 230133), (123, 147809), (237, 76711), (1871, 9717), (3239, 5613)]