18804231

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2797}}^1$

素因数の和:2892

約数の個数: 20

約数和(自身を含む): 28438872

約数和(自身を除く): 9634641

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2797, 6723, 8391, 25173, 75519, 226557, 232151, 696453, 2089359, 6268077, 18804231]

約数ペア:

[(1, 18804231), (3, 6268077), (9, 2089359), (27, 696453), (81, 232151), (83, 226557), (249, 75519), (747, 25173), (2241, 8391), (2797, 6723)]