18843969

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6661}}^1$

素因数の和:6728

約数の個数: 16

約数和(自身を含む): 26861184

約数和(自身を除く): 8017215

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6661, 19983, 153203, 273101, 459609, 819303, 6281323, 18843969]

約数ペア:

[(1, 18843969), (3, 6281323), (23, 819303), (41, 459609), (69, 273101), (123, 153203), (943, 19983), (2829, 6661)]