18159029

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 22534272

約数和(自身を除く): 4375243

約数列:

[1, 7, 23, 43, 61, 161, 301, 427, 989, 1403, 1849, 2623, 6923, 9821, 12943, 18361, 42527, 60329, 112789, 297689, 422303, 789523, 2594147, 18159029]

約数ペア:

[(1, 18159029), (7, 2594147), (23, 789523), (43, 422303), (61, 297689), (161, 112789), (301, 60329), (427, 42527), (989, 18361), (1403, 12943), (1849, 9821), (2623, 6923)]