18739485

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 33607680

約数和(自身を除く): 14868195

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1093, 1143, 1905, 3279, 3429, 5465, 5715, 9837, 16395, 17145, 29511, 49185, 138811, 147555, 416433, 694055, 1249299, 2082165, 3747897, 6246495, 18739485]

約数ペア:

[(1, 18739485), (3, 6246495), (5, 3747897), (9, 2082165), (15, 1249299), (27, 694055), (45, 416433), (127, 147555), (135, 138811), (381, 49185), (635, 29511), (1093, 17145), (1143, 16395), (1905, 9837), (3279, 5715), (3429, 5465)]