19754614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12647}}^1$

素因数の和:12731

約数の個数: 16

約数和(自身を含む): 32783616

約数和(自身を除く): 13029002

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12647, 25294, 139117, 278234, 897937, 1795874, 9877307, 19754614]

約数ペア:

[(1, 19754614), (2, 9877307), (11, 1795874), (22, 897937), (71, 278234), (142, 139117), (781, 25294), (1562, 12647)]