19663083

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 13284117

約数列:

[1, 3, 9, 11, 31, 33, 43, 93, 99, 129, 149, 279, 341, 387, 447, 473, 1023, 1333, 1341, 1419, 1639, 3069, 3999, 4257, 4619, 4917, 6407, 11997, 13857, 14663, 14751, 19221, 41571, 43989, 50809, 57663, 70477, 131967, 152427, 198617, 211431, 457281, 595851, 634293, 1787553, 2184787, 6554361, 19663083]

約数ペア:

[(1, 19663083), (3, 6554361), (9, 2184787), (11, 1787553), (31, 634293), (33, 595851), (43, 457281), (93, 211431), (99, 198617), (129, 152427), (149, 131967), (279, 70477), (341, 57663), (387, 50809), (447, 43989), (473, 41571), (1023, 19221), (1333, 14751), (1341, 14663), (1419, 13857), (1639, 11997), (3069, 6407), (3999, 4917), (4257, 4619)]