18520677

素因数分解:

$3^3\times 7^2\times {\mathrm{13999}}^1$

素因数の和:14022

約数の個数: 24

約数和(自身を含む): 31920000

約数和(自身を除く): 13399323

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13999, 41997, 97993, 125991, 293979, 377973, 685951, 881937, 2057853, 2645811, 6173559, 18520677]

約数ペア:

[(1, 18520677), (3, 6173559), (7, 2645811), (9, 2057853), (21, 881937), (27, 685951), (49, 377973), (63, 293979), (147, 125991), (189, 97993), (441, 41997), (1323, 13999)]