18920439

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41221}}^1$

素因数の和:41247

約数の個数: 16

約数和(自身を含む): 29679840

約数和(自身を除く): 10759401

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41221, 123663, 370989, 700757, 1112967, 2102271, 6306813, 18920439]

約数ペア:

[(1, 18920439), (3, 6306813), (9, 2102271), (17, 1112967), (27, 700757), (51, 370989), (153, 123663), (459, 41221)]