19549269

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14197}}^1$

素因数の和:14226

約数の個数: 20

約数和(自身を含む): 30923244

約数和(自身を除く): 11373975

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14197, 42591, 127773, 241349, 383319, 724047, 1149957, 2172141, 6516423, 19549269]

約数ペア:

[(1, 19549269), (3, 6516423), (9, 2172141), (17, 1149957), (27, 724047), (51, 383319), (81, 241349), (153, 127773), (459, 42591), (1377, 14197)]