19287716

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3089}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 38760960

約数和(自身を除く): 19473244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3089, 3122, 6178, 6244, 12356, 21623, 43246, 86492, 688847, 1377694, 2755388, 4821929, 9643858, 19287716]

約数ペア:

[(1, 19287716), (2, 9643858), (4, 4821929), (7, 2755388), (14, 1377694), (28, 688847), (223, 86492), (446, 43246), (892, 21623), (1561, 12356), (3089, 6244), (3122, 6178)]