19538135

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 24302592

約数和(自身を除く): 4764457

約数列:

[1, 5, 47, 71, 235, 355, 1171, 3337, 5855, 16685, 55037, 83141, 275185, 415705, 3907627, 19538135]

約数ペア:

[(1, 19538135), (5, 3907627), (47, 415705), (71, 275185), (235, 83141), (355, 55037), (1171, 16685), (3337, 5855)]