19991732

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 36575616

約数和(自身を除く): 16583884

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 2021, 2473, 4042, 4946, 8084, 9892, 106339, 116231, 212678, 232462, 425356, 464924, 4997933, 9995866, 19991732]

約数ペア:

[(1, 19991732), (2, 9995866), (4, 4997933), (43, 464924), (47, 425356), (86, 232462), (94, 212678), (172, 116231), (188, 106339), (2021, 9892), (2473, 8084), (4042, 4946)]