18661143

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 6913257

約数列:

[1, 3, 71, 79, 213, 237, 1109, 3327, 5609, 16827, 78739, 87611, 236217, 262833, 6220381, 18661143]

約数ペア:

[(1, 18661143), (3, 6220381), (71, 262833), (79, 236217), (213, 87611), (237, 78739), (1109, 16827), (3327, 5609)]