18560168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{210911}}^1$

素因数の和:210928

約数の個数: 16

約数和(自身を含む): 37964160

約数和(自身を除く): 19403992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 210911, 421822, 843644, 1687288, 2320021, 4640042, 9280084, 18560168]

約数ペア:

[(1, 18560168), (2, 9280084), (4, 4640042), (8, 2320021), (11, 1687288), (22, 843644), (44, 421822), (88, 210911)]