19280660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 28135660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3359, 5740, 6718, 13436, 16795, 23513, 33590, 47026, 67180, 94052, 117565, 137719, 235130, 275438, 470260, 550876, 688595, 964033, 1377190, 1928066, 2754380, 3856132, 4820165, 9640330, 19280660]

約数ペア:

[(1, 19280660), (2, 9640330), (4, 4820165), (5, 3856132), (7, 2754380), (10, 1928066), (14, 1377190), (20, 964033), (28, 688595), (35, 550876), (41, 470260), (70, 275438), (82, 235130), (140, 137719), (164, 117565), (205, 94052), (287, 67180), (410, 47026), (574, 33590), (820, 23513), (1148, 16795), (1435, 13436), (2870, 6718), (3359, 5740)]