18017937

素因数分解:

$3^3\times 7^2\times {\mathrm{13619}}^1$

素因数の和:13642

約数の個数: 24

約数和(自身を含む): 31053600

約数和(自身を除く): 13035663

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13619, 40857, 95333, 122571, 285999, 367713, 667331, 857997, 2001993, 2573991, 6005979, 18017937]

約数ペア:

[(1, 18017937), (3, 6005979), (7, 2573991), (9, 2001993), (21, 857997), (27, 667331), (49, 367713), (63, 285999), (147, 122571), (189, 95333), (441, 40857), (1323, 13619)]