19705707

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 14485653

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2543, 2583, 7629, 7749, 17801, 22887, 53403, 68661, 104263, 160209, 312789, 480627, 729841, 938367, 2189523, 2815101, 6568569, 19705707]

約数ペア:

[(1, 19705707), (3, 6568569), (7, 2815101), (9, 2189523), (21, 938367), (27, 729841), (41, 480627), (63, 312789), (123, 160209), (189, 104263), (287, 68661), (369, 53403), (861, 22887), (1107, 17801), (2543, 7749), (2583, 7629)]