19809693

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 30244032

約数和(自身を除く): 10434339

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1153, 1909, 3459, 5727, 10377, 17181, 26519, 79557, 95699, 238671, 287097, 861291, 2201077, 6603231, 19809693]

約数ペア:

[(1, 19809693), (3, 6603231), (9, 2201077), (23, 861291), (69, 287097), (83, 238671), (207, 95699), (249, 79557), (747, 26519), (1153, 17181), (1909, 10377), (3459, 5727)]