18434385

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2019

約数の個数: 40

約数和(自身を含む): 34499520

約数和(自身を除く): 16065135

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 1979, 3105, 5937, 9315, 9895, 17811, 29685, 45517, 53433, 89055, 136551, 160299, 227585, 267165, 409653, 682755, 801495, 1228959, 2048265, 3686877, 6144795, 18434385]

約数ペア:

[(1, 18434385), (3, 6144795), (5, 3686877), (9, 2048265), (15, 1228959), (23, 801495), (27, 682755), (45, 409653), (69, 267165), (81, 227585), (115, 160299), (135, 136551), (207, 89055), (345, 53433), (405, 45517), (621, 29685), (1035, 17811), (1863, 9895), (1979, 9315), (3105, 5937)]