18380999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10631}}^1$

素因数の和:10670

約数の個数: 16

約数和(自身を含む): 23815680

約数和(自身を除く): 5434681

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10631, 74417, 138203, 201989, 967421, 1413923, 2625857, 18380999]

約数ペア:

[(1, 18380999), (7, 2625857), (13, 1413923), (19, 967421), (91, 201989), (133, 138203), (247, 74417), (1729, 10631)]