18826490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23831}}^1$

素因数の和:23917

約数の個数: 16

約数和(自身を含む): 34318080

約数和(自身を除く): 15491590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 23831, 47662, 119155, 238310, 1882649, 3765298, 9413245, 18826490]

約数ペア:

[(1, 18826490), (2, 9413245), (5, 3765298), (10, 1882649), (79, 238310), (158, 119155), (395, 47662), (790, 23831)]