18714031

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{20101}}^1$

素因数の和:20134

約数の個数: 12

約数和(自身を含む): 22916280

約数和(自身を除く): 4202249

約数列:

[1, 7, 19, 49, 133, 931, 20101, 140707, 381919, 984949, 2673433, 18714031]

約数ペア:

[(1, 18714031), (7, 2673433), (19, 984949), (49, 381919), (133, 140707), (931, 20101)]