18219949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 2464211

約数列:

[1, 11, 41, 71, 451, 569, 781, 2911, 6259, 23329, 32021, 40399, 256619, 444389, 1656359, 18219949]

約数ペア:

[(1, 18219949), (11, 1656359), (41, 444389), (71, 256619), (451, 40399), (569, 32021), (781, 23329), (2911, 6259)]