18611045

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 23094720

約数和(自身を除く): 4483675

約数列:

[1, 5, 43, 107, 215, 535, 809, 4045, 4601, 23005, 34787, 86563, 173935, 432815, 3722209, 18611045]

約数ペア:

[(1, 18611045), (5, 3722209), (43, 432815), (107, 173935), (215, 86563), (535, 34787), (809, 23005), (4045, 4601)]