18860919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81649}}^1$

素因数の和:81670

約数の個数: 16

約数和(自身を含む): 31353600

約数和(自身を除く): 12492681

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81649, 244947, 571543, 898139, 1714629, 2694417, 6286973, 18860919]

約数ペア:

[(1, 18860919), (3, 6286973), (7, 2694417), (11, 1714629), (21, 898139), (33, 571543), (77, 244947), (231, 81649)]