19840786

素因数分解:

$2^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1049}}^1$

素因数の和:1258

約数の個数: 24

約数和(自身を含む): 34832700

約数和(自身を除く): 14991914

約数列:

[1, 2, 7, 14, 49, 98, 193, 386, 1049, 1351, 2098, 2702, 7343, 9457, 14686, 18914, 51401, 102802, 202457, 404914, 1417199, 2834398, 9920393, 19840786]

約数ペア:

[(1, 19840786), (2, 9920393), (7, 2834398), (14, 1417199), (49, 404914), (98, 202457), (193, 102802), (386, 51401), (1049, 18914), (1351, 14686), (2098, 9457), (2702, 7343)]