19131538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8849}}^1$

素因数の和:8921

約数の個数: 16

約数和(自身を含む): 30585600

約数和(自身を除く): 11454062

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 8849, 17698, 203527, 407054, 415903, 831806, 9565769, 19131538]

約数ペア:

[(1, 19131538), (2, 9565769), (23, 831806), (46, 415903), (47, 407054), (94, 203527), (1081, 17698), (2162, 8849)]