19391449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3547}}^1$

素因数の和:3636

約数の個数: 16

約数和(自身を含む): 24523776

約数和(自身を除く): 5132327

約数列:

[1, 7, 11, 71, 77, 497, 781, 3547, 5467, 24829, 39017, 251837, 273119, 1762859, 2770207, 19391449]

約数ペア:

[(1, 19391449), (7, 2770207), (11, 1762859), (71, 273119), (77, 251837), (497, 39017), (781, 24829), (3547, 5467)]