19386488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220301}}^1$

素因数の和:220318

約数の個数: 16

約数和(自身を含む): 39654360

約数和(自身を除く): 20267872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220301, 440602, 881204, 1762408, 2423311, 4846622, 9693244, 19386488]

約数ペア:

[(1, 19386488), (2, 9693244), (4, 4846622), (8, 2423311), (11, 1762408), (22, 881204), (44, 440602), (88, 220301)]