19681629

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{25931}}^1$

素因数の和:25968

約数の個数: 16

約数和(自身を含む): 29873664

約数和(自身を除く): 10192035

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 25931, 77793, 285241, 596413, 855723, 1789239, 6560543, 19681629]

約数ペア:

[(1, 19681629), (3, 6560543), (11, 1789239), (23, 855723), (33, 596413), (69, 285241), (253, 77793), (759, 25931)]