19174239

素因数分解:

$3^4\times 7^2\times {\mathrm{4831}}^1$

素因数の和:4857

約数の個数: 30

約数和(自身を含む): 33326304

約数和(自身を除く): 14152065

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4831, 14493, 33817, 43479, 101451, 130437, 236719, 304353, 391311, 710157, 913059, 2130471, 2739177, 6391413, 19174239]

約数ペア:

[(1, 19174239), (3, 6391413), (7, 2739177), (9, 2130471), (21, 913059), (27, 710157), (49, 391311), (63, 304353), (81, 236719), (147, 130437), (189, 101451), (441, 43479), (567, 33817), (1323, 14493), (3969, 4831)]