19642959

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2476

約数の個数: 32

約数和(自身を含む): 34045440

約数和(自身を除く): 14402481

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2417, 2709, 7251, 8127, 16919, 21753, 50757, 65259, 103931, 152271, 311793, 456813, 727517, 935379, 2182551, 2806137, 6547653, 19642959]

約数ペア:

[(1, 19642959), (3, 6547653), (7, 2806137), (9, 2182551), (21, 935379), (27, 727517), (43, 456813), (63, 311793), (129, 152271), (189, 103931), (301, 65259), (387, 50757), (903, 21753), (1161, 16919), (2417, 8127), (2709, 7251)]