19597721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7213}}^1$

素因数の和:7256

約数の個数: 16

約数和(自身を含む): 24239040

約数和(自身を除く): 4641319

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7213, 79343, 93769, 137047, 1031459, 1507517, 1781611, 19597721]

約数ペア:

[(1, 19597721), (11, 1781611), (13, 1507517), (19, 1031459), (143, 137047), (209, 93769), (247, 79343), (2717, 7213)]