19686926

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 36867600

約数和(自身を除く): 17180674

約数列:

[1, 2, 7, 14, 19, 38, 49, 97, 98, 109, 133, 194, 218, 266, 679, 763, 931, 1358, 1526, 1843, 1862, 2071, 3686, 4142, 4753, 5341, 9506, 10573, 10682, 12901, 14497, 21146, 25802, 28994, 74011, 90307, 101479, 148022, 180614, 200887, 202958, 401774, 518077, 1036154, 1406209, 2812418, 9843463, 19686926]

約数ペア:

[(1, 19686926), (2, 9843463), (7, 2812418), (14, 1406209), (19, 1036154), (38, 518077), (49, 401774), (97, 202958), (98, 200887), (109, 180614), (133, 148022), (194, 101479), (218, 90307), (266, 74011), (679, 28994), (763, 25802), (931, 21146), (1358, 14497), (1526, 12901), (1843, 10682), (1862, 10573), (2071, 9506), (3686, 5341), (4142, 4753)]