19247187

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4813}}^1$

素因数の和:4890

約数の個数: 16

約数和(自身を含む): 27112448

約数和(自身を除く): 7865261

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4813, 14439, 149203, 206959, 447609, 620877, 6415729, 19247187]

約数ペア:

[(1, 19247187), (3, 6415729), (31, 620877), (43, 447609), (93, 206959), (129, 149203), (1333, 14439), (3999, 4813)]