18819652

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13033}}^1$

素因数の和:13075

約数の個数: 18

約数和(自身を含む): 34761678

約数和(自身を除く): 15942026

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13033, 26066, 52132, 247627, 495254, 990508, 4704913, 9409826, 18819652]

約数ペア:

[(1, 18819652), (2, 9409826), (4, 4704913), (19, 990508), (38, 495254), (76, 247627), (361, 52132), (722, 26066), (1444, 13033)]