19540156

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4519}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 36449280

約数和(自身を除く): 16909124

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4519, 9038, 18076, 103937, 207874, 212393, 415748, 424786, 849572, 4885039, 9770078, 19540156]

約数ペア:

[(1, 19540156), (2, 9770078), (4, 4885039), (23, 849572), (46, 424786), (47, 415748), (92, 212393), (94, 207874), (188, 103937), (1081, 18076), (2162, 9038), (4324, 4519)]