19020491

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1$

素因数の和:2258

約数の個数: 16

約数和(自身を含む): 23020800

約数和(自身を除く): 4000309

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2179, 8729, 15253, 63191, 93697, 442337, 655879, 2717213, 19020491]

約数ペア:

[(1, 19020491), (7, 2717213), (29, 655879), (43, 442337), (203, 93697), (301, 63191), (1247, 15253), (2179, 8729)]