19197081

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{683}}^1$

素因数の和:1042

約数の個数: 20

約数和(自身を含む): 28801872

約数和(自身を除く): 9604791

約数列:

[1, 3, 9, 27, 81, 347, 683, 1041, 2049, 3123, 6147, 9369, 18441, 28107, 55323, 237001, 711003, 2133009, 6399027, 19197081]

約数ペア:

[(1, 19197081), (3, 6399027), (9, 2133009), (27, 711003), (81, 237001), (347, 55323), (683, 28107), (1041, 18441), (2049, 9369), (3123, 6147)]