19327707

素因数分解:

$3^3\times 7^3\times {\mathrm{2087}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 33408000

約数和(自身を除く): 14080293

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2087, 3087, 6261, 9261, 14609, 18783, 43827, 56349, 102263, 131481, 306789, 394443, 715841, 920367, 2147523, 2761101, 6442569, 19327707]

約数ペア:

[(1, 19327707), (3, 6442569), (7, 2761101), (9, 2147523), (21, 920367), (27, 715841), (49, 394443), (63, 306789), (147, 131481), (189, 102263), (343, 56349), (441, 43827), (1029, 18783), (1323, 14609), (2087, 9261), (3087, 6261)]