19885254

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{46679}}^1$

素因数の和:46755

約数の個数: 16

約数和(自身を含む): 40331520

約数和(自身を除く): 20446266

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 46679, 93358, 140037, 280074, 3314209, 6628418, 9942627, 19885254]

約数ペア:

[(1, 19885254), (2, 9942627), (3, 6628418), (6, 3314209), (71, 280074), (142, 140037), (213, 93358), (426, 46679)]