19847667

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1747}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 30317312

約数和(自身を除く): 10469645

約数列:

[1, 3, 7, 21, 541, 1623, 1747, 3787, 5241, 11361, 12229, 36687, 945127, 2835381, 6615889, 19847667]

約数ペア:

[(1, 19847667), (3, 6615889), (7, 2835381), (21, 945127), (541, 36687), (1623, 12229), (1747, 11361), (3787, 5241)]