19910849

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 24097920

約数和(自身を除く): 4187071

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2281, 8729, 15967, 66149, 98083, 463043, 686581, 2844407, 19910849]

約数ペア:

[(1, 19910849), (7, 2844407), (29, 686581), (43, 463043), (203, 98083), (301, 66149), (1247, 15967), (2281, 8729)]