18335241

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5521}}^1$

素因数の和:5574

約数の個数: 20

約数和(自身を含む): 28062804

約数和(自身を除く): 9727563

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5521, 16563, 49689, 149067, 226361, 447201, 679083, 2037249, 6111747, 18335241]

約数ペア:

[(1, 18335241), (3, 6111747), (9, 2037249), (27, 679083), (41, 447201), (81, 226361), (123, 149067), (369, 49689), (1107, 16563), (3321, 5521)]