19773159

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 32288256

約数和(自身を除く): 12515097

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 571, 679, 1649, 1713, 2037, 3997, 4947, 9707, 11543, 11991, 29121, 34629, 55387, 67949, 166161, 203847, 387709, 941579, 1163127, 2824737, 6591053, 19773159]

約数ペア:

[(1, 19773159), (3, 6591053), (7, 2824737), (17, 1163127), (21, 941579), (51, 387709), (97, 203847), (119, 166161), (291, 67949), (357, 55387), (571, 34629), (679, 29121), (1649, 11991), (1713, 11543), (2037, 9707), (3997, 4947)]