18718717

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 21003840

約数和(自身を除く): 2285123

約数列:

[1, 17, 29, 43, 493, 731, 883, 1247, 15011, 21199, 25607, 37969, 435319, 645473, 1101101, 18718717]

約数ペア:

[(1, 18718717), (17, 1101101), (29, 645473), (43, 435319), (493, 37969), (731, 25607), (883, 21199), (1247, 15011)]