19661427

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17761}}^1$

素因数の和:17811

約数の個数: 16

約数和(自身を含む): 29840160

約数和(自身を除く): 10178733

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17761, 53283, 159849, 479547, 728201, 2184603, 6553809, 19661427]

約数ペア:

[(1, 19661427), (3, 6553809), (9, 2184603), (27, 728201), (41, 479547), (123, 159849), (369, 53283), (1107, 17761)]