19680617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2963095

約数列:

[1, 11, 23, 107, 253, 727, 1177, 2461, 7997, 16721, 27071, 77789, 183931, 855679, 1789147, 19680617]

約数ペア:

[(1, 19680617), (11, 1789147), (23, 855679), (107, 183931), (253, 77789), (727, 27071), (1177, 16721), (2461, 7997)]