19809711

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4241}}^1$

素因数の和:4423

約数の個数: 16

約数和(自身を含む): 29524320

約数和(自身を除く): 9714609

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4241, 4671, 12723, 38169, 114507, 733693, 2201079, 6603237, 19809711]

約数ペア:

[(1, 19809711), (3, 6603237), (9, 2201079), (27, 733693), (173, 114507), (519, 38169), (1557, 12723), (4241, 4671)]