19753707

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 26808320

約数和(自身を除く): 7054613

約数列:

[1, 3, 127, 139, 373, 381, 417, 1119, 17653, 47371, 51847, 52959, 142113, 155541, 6584569, 19753707]

約数ペア:

[(1, 19753707), (3, 6584569), (127, 155541), (139, 142113), (373, 52959), (381, 51847), (417, 47371), (1119, 17653)]