19160757

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 35363328

約数和(自身を除く): 16202571

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 643, 693, 903, 1419, 1929, 2709, 3311, 4257, 4501, 5787, 7073, 9933, 13503, 21219, 27649, 29799, 40509, 49511, 63657, 82947, 148533, 193543, 248841, 304139, 445599, 580629, 912417, 1741887, 2128973, 2737251, 6386919, 19160757]

約数ペア:

[(1, 19160757), (3, 6386919), (7, 2737251), (9, 2128973), (11, 1741887), (21, 912417), (33, 580629), (43, 445599), (63, 304139), (77, 248841), (99, 193543), (129, 148533), (231, 82947), (301, 63657), (387, 49511), (473, 40509), (643, 29799), (693, 27649), (903, 21219), (1419, 13503), (1929, 9933), (2709, 7073), (3311, 5787), (4257, 4501)]