19571007

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2621}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 27688320

約数和(自身を除く): 8117313

約数列:

[1, 3, 19, 57, 131, 393, 2489, 2621, 7467, 7863, 49799, 149397, 343351, 1030053, 6523669, 19571007]

約数ペア:

[(1, 19571007), (3, 6523669), (19, 1030053), (57, 343351), (131, 149397), (393, 49799), (2489, 7863), (2621, 7467)]