19254381

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 26960256

約数和(自身を除く): 7705875

約数列:

[1, 3, 23, 69, 173, 519, 1613, 3979, 4839, 11937, 37099, 111297, 279049, 837147, 6418127, 19254381]

約数ペア:

[(1, 19254381), (3, 6418127), (23, 837147), (69, 279049), (173, 111297), (519, 37099), (1613, 11937), (3979, 4839)]