18128188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20507}}^1$

素因数の和:20541

約数の個数: 24

約数和(自身を含む): 36176112

約数和(自身を除く): 18047924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 20507, 41014, 82028, 266591, 348619, 533182, 697238, 1066364, 1394476, 4532047, 9064094, 18128188]

約数ペア:

[(1, 18128188), (2, 9064094), (4, 4532047), (13, 1394476), (17, 1066364), (26, 697238), (34, 533182), (52, 348619), (68, 266591), (221, 82028), (442, 41014), (884, 20507)]