19695231

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14303}}^1$

素因数の和:14332

約数の個数: 20

約数和(自身を含む): 31154112

約数和(自身を除く): 11458881

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14303, 42909, 128727, 243151, 386181, 729453, 1158543, 2188359, 6565077, 19695231]

約数ペア:

[(1, 19695231), (3, 6565077), (9, 2188359), (17, 1158543), (27, 729453), (51, 386181), (81, 243151), (153, 128727), (459, 42909), (1377, 14303)]