18995938124

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1\times {\mathrm{1979}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 34452190080

約数和(自身を除く): 15456251956

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 547, 1094, 1979, 2188, 3958, 4387, 7916, 8774, 17548, 22427, 44854, 58529, 81139, 89708, 117058, 162278, 211753, 234116, 324556, 423506, 847012, 1082513, 2165026, 2399689, 4330052, 4799378, 8681873, 9598756, 17363746, 34727492, 44383033, 88766066, 115828891, 177532132, 231657782, 463315564, 4748984531, 9497969062, 18995938124]

約数ペア:

[(1, 18995938124), (2, 9497969062), (4, 4748984531), (41, 463315564), (82, 231657782), (107, 177532132), (164, 115828891), (214, 88766066), (428, 44383033), (547, 34727492), (1094, 17363746), (1979, 9598756), (2188, 8681873), (3958, 4799378), (4387, 4330052), (7916, 2399689), (8774, 2165026), (17548, 1082513), (22427, 847012), (44854, 423506), (58529, 324556), (81139, 234116), (89708, 211753), (117058, 162278)]