19220773

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 22712256

約数和(自身を除く): 3491483

約数列:

[1, 11, 13, 143, 257, 523, 2827, 3341, 5753, 6799, 36751, 74789, 134411, 1478521, 1747343, 19220773]

約数ペア:

[(1, 19220773), (11, 1747343), (13, 1478521), (143, 134411), (257, 74789), (523, 36751), (2827, 6799), (3341, 5753)]