18930863

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3793}}^1$

素因数の和:3854

約数の個数: 16

約数和(自身を含む): 23310336

約数和(自身を除く): 4379473

約数列:

[1, 7, 23, 31, 161, 217, 713, 3793, 4991, 26551, 87239, 117583, 610673, 823081, 2704409, 18930863]

約数ペア:

[(1, 18930863), (7, 2704409), (23, 823081), (31, 610673), (161, 117583), (217, 87239), (713, 26551), (3793, 4991)]