19736269

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 27086400

約数和(自身を除く): 7350131

約数列:

[1, 7, 17, 19, 29, 43, 49, 119, 133, 203, 301, 323, 493, 551, 731, 817, 833, 931, 1247, 1421, 2107, 2261, 3451, 3857, 5117, 5719, 8729, 9367, 13889, 15827, 21199, 23693, 24157, 26999, 35819, 40033, 61103, 65569, 97223, 148393, 165851, 402781, 458983, 680561, 1038751, 1160957, 2819467, 19736269]

約数ペア:

[(1, 19736269), (7, 2819467), (17, 1160957), (19, 1038751), (29, 680561), (43, 458983), (49, 402781), (119, 165851), (133, 148393), (203, 97223), (301, 65569), (323, 61103), (493, 40033), (551, 35819), (731, 26999), (817, 24157), (833, 23693), (931, 21199), (1247, 15827), (1421, 13889), (2107, 9367), (2261, 8729), (3451, 5719), (3857, 5117)]