18880418

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{1193}}^1$

素因数の和:1429

約数の個数: 16

約数和(自身を含む): 29186136

約数和(自身を除く): 10305718

約数列:

[1, 2, 41, 82, 193, 386, 1193, 2386, 7913, 15826, 48913, 97826, 230249, 460498, 9440209, 18880418]

約数ペア:

[(1, 18880418), (2, 9440209), (41, 460498), (82, 230249), (193, 97826), (386, 48913), (1193, 15826), (2386, 7913)]