19724487

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 7456953

約数列:

[1, 3, 43, 107, 129, 321, 1429, 4287, 4601, 13803, 61447, 152903, 184341, 458709, 6574829, 19724487]

約数ペア:

[(1, 19724487), (3, 6574829), (43, 458709), (107, 184341), (129, 152903), (321, 61447), (1429, 13803), (4287, 4601)]