18707715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 35354592

約数和(自身を除く): 16646877

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 283, 339, 565, 585, 849, 1017, 1415, 1469, 1695, 2547, 3679, 4245, 4407, 5085, 7345, 11037, 12735, 13221, 18395, 22035, 31979, 33111, 55185, 66105, 95937, 159895, 165555, 287811, 415727, 479685, 1247181, 1439055, 2078635, 3741543, 6235905, 18707715]

約数ペア:

[(1, 18707715), (3, 6235905), (5, 3741543), (9, 2078635), (13, 1439055), (15, 1247181), (39, 479685), (45, 415727), (65, 287811), (113, 165555), (117, 159895), (195, 95937), (283, 66105), (339, 55185), (565, 33111), (585, 31979), (849, 22035), (1017, 18395), (1415, 13221), (1469, 12735), (1695, 11037), (2547, 7345), (3679, 5085), (4245, 4407)]