18226281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6143}}^1$

素因数の和:6212

約数の個数: 16

約数和(自身を含む): 25952256

約数和(自身を除く): 7725975

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6143, 18429, 141289, 264149, 423867, 792447, 6075427, 18226281]

約数ペア:

[(1, 18226281), (3, 6075427), (23, 792447), (43, 423867), (69, 264149), (129, 141289), (989, 18429), (2967, 6143)]