18973251

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 30915840

約数和(自身を除く): 11942589

約数列:

[1, 3, 9, 11, 27, 33, 99, 193, 297, 331, 579, 993, 1737, 2123, 2979, 3641, 5211, 6369, 8937, 10923, 19107, 32769, 57321, 63883, 98307, 191649, 574947, 702713, 1724841, 2108139, 6324417, 18973251]

約数ペア:

[(1, 18973251), (3, 6324417), (9, 2108139), (11, 1724841), (27, 702713), (33, 574947), (99, 191649), (193, 98307), (297, 63883), (331, 57321), (579, 32769), (993, 19107), (1737, 10923), (2123, 8937), (2979, 6369), (3641, 5211)]