18329787

素因数分解:

$3^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 31234560

約数和(自身を除く): 12904773

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 293, 331, 879, 993, 2051, 2317, 2637, 2979, 6153, 6951, 7911, 8937, 18459, 20853, 55377, 62559, 96983, 290949, 678881, 872847, 2036643, 2618541, 6109929, 18329787]

約数ペア:

[(1, 18329787), (3, 6109929), (7, 2618541), (9, 2036643), (21, 872847), (27, 678881), (63, 290949), (189, 96983), (293, 62559), (331, 55377), (879, 20853), (993, 18459), (2051, 8937), (2317, 7911), (2637, 6951), (2979, 6153)]