18659007

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5743}}^1$

素因数の和:5787

約数の個数: 18

約数和(自身を含む): 28450032

約数和(自身を除く): 9791025

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5743, 17229, 51687, 109117, 327351, 982053, 2073223, 6219669, 18659007]

約数ペア:

[(1, 18659007), (3, 6219669), (9, 2073223), (19, 982053), (57, 327351), (171, 109117), (361, 51687), (1083, 17229), (3249, 5743)]