18819284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{427711}}^1$

素因数の和:427726

約数の個数: 12

約数和(自身を含む): 35927808

約数和(自身を除く): 17108524

約数列:

[1, 2, 4, 11, 22, 44, 427711, 855422, 1710844, 4704821, 9409642, 18819284]

約数ペア:

[(1, 18819284), (2, 9409642), (4, 4704821), (11, 1710844), (22, 855422), (44, 427711)]