19899088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113063}}^1$

素因数の和:113082

約数の個数: 20

約数和(自身を含む): 42059808

約数和(自身を除く): 22160720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113063, 226126, 452252, 904504, 1243693, 1809008, 2487386, 4974772, 9949544, 19899088]

約数ペア:

[(1, 19899088), (2, 9949544), (4, 4974772), (8, 2487386), (11, 1809008), (16, 1243693), (22, 904504), (44, 452252), (88, 226126), (176, 113063)]