19812584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225143}}^1$

素因数の和:225160

約数の個数: 16

約数和(自身を含む): 40525920

約数和(自身を除く): 20713336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225143, 450286, 900572, 1801144, 2476573, 4953146, 9906292, 19812584]

約数ペア:

[(1, 19812584), (2, 9906292), (4, 4953146), (8, 2476573), (11, 1801144), (22, 900572), (44, 450286), (88, 225143)]