19664073

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 34558720

約数和(自身を除く): 14894647

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 351, 363, 429, 463, 1089, 1287, 1389, 1573, 3267, 3861, 4167, 4719, 5093, 6019, 12501, 14157, 15279, 18057, 42471, 45837, 54171, 56023, 66209, 137511, 162513, 168069, 198627, 504207, 595881, 728299, 1512621, 1787643, 2184897, 6554691, 19664073]

約数ペア:

[(1, 19664073), (3, 6554691), (9, 2184897), (11, 1787643), (13, 1512621), (27, 728299), (33, 595881), (39, 504207), (99, 198627), (117, 168069), (121, 162513), (143, 137511), (297, 66209), (351, 56023), (363, 54171), (429, 45837), (463, 42471), (1089, 18057), (1287, 15279), (1389, 14157), (1573, 12501), (3267, 6019), (3861, 5093), (4167, 4719)]