19812848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112573}}^1$

素因数の和:112592

約数の個数: 20

約数和(自身を含む): 41877528

約数和(自身を除く): 22064680

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112573, 225146, 450292, 900584, 1238303, 1801168, 2476606, 4953212, 9906424, 19812848]

約数ペア:

[(1, 19812848), (2, 9906424), (4, 4953212), (8, 2476606), (11, 1801168), (16, 1238303), (22, 900584), (44, 450292), (88, 225146), (176, 112573)]