18764811

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 30201920

約数和(自身を除く): 11437109

約数列:

[1, 3, 9, 13, 27, 39, 117, 193, 277, 351, 579, 831, 1737, 2493, 2509, 3601, 5211, 7479, 7527, 10803, 22581, 32409, 53461, 67743, 97227, 160383, 481149, 694993, 1443447, 2084979, 6254937, 18764811]

約数ペア:

[(1, 18764811), (3, 6254937), (9, 2084979), (13, 1443447), (27, 694993), (39, 481149), (117, 160383), (193, 97227), (277, 67743), (351, 53461), (579, 32409), (831, 22581), (1737, 10803), (2493, 7527), (2509, 7479), (3601, 5211)]