18202959

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 28035072

約数和(自身を除く): 9832113

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1871, 3243, 5613, 9729, 16839, 43033, 87937, 129099, 263811, 387297, 791433, 2022551, 6067653, 18202959]

約数ペア:

[(1, 18202959), (3, 6067653), (9, 2022551), (23, 791433), (47, 387297), (69, 263811), (141, 129099), (207, 87937), (423, 43033), (1081, 16839), (1871, 9729), (3243, 5613)]