19730678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1783}}^1$

素因数の和:2299

約数の個数: 16

約数和(自身を含む): 32368896

約数和(自身を除く): 12638218

約数列:

[1, 2, 11, 22, 503, 1006, 1783, 3566, 5533, 11066, 19613, 39226, 896849, 1793698, 9865339, 19730678]

約数ペア:

[(1, 19730678), (2, 9865339), (11, 1793698), (22, 896849), (503, 39226), (1006, 19613), (1783, 11066), (3566, 5533)]