18647147

素因数分解:

${\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:718

約数の個数: 12

約数和(自身を含む): 20018856

約数和(自身を除く): 1371709

約数列:

[1, 17, 113, 289, 571, 1921, 9707, 32657, 64523, 165019, 1096891, 18647147]

約数ペア:

[(1, 18647147), (17, 1096891), (113, 165019), (289, 64523), (571, 32657), (1921, 9707)]