19716939

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22129}}^1$

素因数の和:22152

約数の個数: 20

約数和(自身を含む): 32132760

約数和(自身を除く): 12415821

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22129, 66387, 199161, 243419, 597483, 730257, 1792449, 2190771, 6572313, 19716939]

約数ペア:

[(1, 19716939), (3, 6572313), (9, 2190771), (11, 1792449), (27, 730257), (33, 597483), (81, 243419), (99, 199161), (297, 66387), (891, 22129)]