19884434

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1885

約数の個数: 16

約数和(自身を含む): 30686040

約数和(自身を除く): 10801606

約数列:

[1, 2, 53, 106, 109, 218, 1721, 3442, 5777, 11554, 91213, 182426, 187589, 375178, 9942217, 19884434]

約数ペア:

[(1, 19884434), (2, 9942217), (53, 375178), (106, 187589), (109, 182426), (218, 91213), (1721, 11554), (3442, 5777)]