18580887

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{52937}}^1$

素因数の和:52959

約数の個数: 16

約数和(自身を含む): 29645280

約数和(自身を除く): 11064393

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 52937, 158811, 476433, 688181, 1429299, 2064543, 6193629, 18580887]

約数ペア:

[(1, 18580887), (3, 6193629), (9, 2064543), (13, 1429299), (27, 688181), (39, 476433), (117, 158811), (351, 52937)]