18826984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{213943}}^1$

素因数の和:213960

約数の個数: 16

約数和(自身を含む): 38509920

約数和(自身を除く): 19682936

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 213943, 427886, 855772, 1711544, 2353373, 4706746, 9413492, 18826984]

約数ペア:

[(1, 18826984), (2, 9413492), (4, 4706746), (8, 2353373), (11, 1711544), (22, 855772), (44, 427886), (88, 213943)]