18194805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9403}}^1$

素因数の和:9457

約数の個数: 24

約数和(自身を含む): 32274528

約数和(自身を除く): 14079723

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9403, 28209, 47015, 84627, 141045, 404329, 423135, 1212987, 2021645, 3638961, 6064935, 18194805]

約数ペア:

[(1, 18194805), (3, 6064935), (5, 3638961), (9, 2021645), (15, 1212987), (43, 423135), (45, 404329), (129, 141045), (215, 84627), (387, 47015), (645, 28209), (1935, 9403)]