19969587

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4691}}^1$

素因数の和:4751

約数の個数: 24

約数和(自身を含む): 32205888

約数和(自身を除く): 12236301

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4691, 14073, 42219, 51601, 154803, 201713, 464409, 605139, 1815417, 2218843, 6656529, 19969587]

約数ペア:

[(1, 19969587), (3, 6656529), (9, 2218843), (11, 1815417), (33, 605139), (43, 464409), (99, 201713), (129, 154803), (387, 51601), (473, 42219), (1419, 14073), (4257, 4691)]