18164080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20641}}^1$

素因数の和:20665

約数の個数: 40

約数和(自身を含む): 46072944

約数和(自身を除く): 27908864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20641, 41282, 82564, 103205, 165128, 206410, 227051, 330256, 412820, 454102, 825640, 908204, 1135255, 1651280, 1816408, 2270510, 3632816, 4541020, 9082040, 18164080]

約数ペア:

[(1, 18164080), (2, 9082040), (4, 4541020), (5, 3632816), (8, 2270510), (10, 1816408), (11, 1651280), (16, 1135255), (20, 908204), (22, 825640), (40, 454102), (44, 412820), (55, 330256), (80, 227051), (88, 206410), (110, 165128), (176, 103205), (220, 82564), (440, 41282), (880, 20641)]