19359081

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 34944000

約数和(自身を除く): 15584919

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 599, 1197, 1539, 1701, 1797, 3591, 4193, 4617, 5391, 10773, 11381, 12579, 16173, 32319, 34143, 37737, 48519, 79667, 102429, 113211, 145557, 239001, 307287, 339633, 717003, 921861, 1018899, 2151009, 2765583, 6453027, 19359081]

約数ペア:

[(1, 19359081), (3, 6453027), (7, 2765583), (9, 2151009), (19, 1018899), (21, 921861), (27, 717003), (57, 339633), (63, 307287), (81, 239001), (133, 145557), (171, 113211), (189, 102429), (243, 79667), (399, 48519), (513, 37737), (567, 34143), (599, 32319), (1197, 16173), (1539, 12579), (1701, 11381), (1797, 10773), (3591, 5391), (4193, 4617)]