18905601

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 29933568

約数和(自身を除く): 11027967

約数列:

[1, 3, 11, 13, 33, 39, 127, 143, 347, 381, 429, 1041, 1397, 1651, 3817, 4191, 4511, 4953, 11451, 13533, 18161, 44069, 49621, 54483, 132207, 148863, 484759, 572897, 1454277, 1718691, 6301867, 18905601]

約数ペア:

[(1, 18905601), (3, 6301867), (11, 1718691), (13, 1454277), (33, 572897), (39, 484759), (127, 148863), (143, 132207), (347, 54483), (381, 49621), (429, 44069), (1041, 18161), (1397, 13533), (1651, 11451), (3817, 4953), (4191, 4511)]