18206379

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 27032720

約数和(自身を除く): 8826341

約数列:

[1, 3, 9, 67, 109, 201, 277, 327, 603, 831, 981, 2493, 7303, 18559, 21909, 30193, 55677, 65727, 90579, 167031, 271737, 2022931, 6068793, 18206379]

約数ペア:

[(1, 18206379), (3, 6068793), (9, 2022931), (67, 271737), (109, 167031), (201, 90579), (277, 65727), (327, 55677), (603, 30193), (831, 21909), (981, 18559), (2493, 7303)]