16581851

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 5190949

約数列:

[1, 11, 13, 17, 19, 143, 187, 209, 221, 247, 323, 359, 2431, 2717, 3553, 3949, 4199, 4667, 6103, 6821, 46189, 51337, 67133, 75031, 79339, 88673, 115957, 872729, 975403, 1275527, 1507441, 16581851]

約数ペア:

[(1, 16581851), (11, 1507441), (13, 1275527), (17, 975403), (19, 872729), (143, 115957), (187, 88673), (209, 79339), (221, 75031), (247, 67133), (323, 51337), (359, 46189), (2431, 6821), (2717, 6103), (3553, 4667), (3949, 4199)]