18349347

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 25296128

約数和(自身を除く): 6946781

約数列:

[1, 3, 43, 103, 129, 309, 1381, 4143, 4429, 13287, 59383, 142243, 178149, 426729, 6116449, 18349347]

約数ペア:

[(1, 18349347), (3, 6116449), (43, 426729), (103, 178149), (129, 142243), (309, 59383), (1381, 13287), (4143, 4429)]