19173968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108943}}^1$

素因数の和:108962

約数の個数: 20

約数和(自身を含む): 40527168

約数和(自身を除く): 21353200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108943, 217886, 435772, 871544, 1198373, 1743088, 2396746, 4793492, 9586984, 19173968]

約数ペア:

[(1, 19173968), (2, 9586984), (4, 4793492), (8, 2396746), (11, 1743088), (16, 1198373), (22, 871544), (44, 435772), (88, 217886), (176, 108943)]