19742211

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10597}}^1$

素因数の和:10632

約数の個数: 20

約数和(自身を含む): 30776592

約数和(自身を除く): 11034381

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10597, 31791, 95373, 243731, 286119, 731193, 858357, 2193579, 6580737, 19742211]

約数ペア:

[(1, 19742211), (3, 6580737), (9, 2193579), (23, 858357), (27, 731193), (69, 286119), (81, 243731), (207, 95373), (621, 31791), (1863, 10597)]