2019853892

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 4191108768

約数和(自身を除く): 2171254876

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 131, 194, 196, 262, 388, 524, 679, 811, 917, 1358, 1622, 1834, 2716, 3244, 3668, 4753, 5677, 6419, 9506, 11354, 12707, 12838, 19012, 22708, 25414, 25676, 39739, 50828, 78667, 79478, 88949, 106241, 157334, 158956, 177898, 212482, 314668, 355796, 424964, 550669, 622643, 743687, 1101338, 1245286, 1487374, 2202676, 2490572, 2974748, 3854683, 5205809, 7709366, 10305377, 10411618, 15418732, 20610754, 20823236, 41221508, 72137639, 144275278, 288550556, 504963473, 1009926946, 2019853892]

約数ペア:

[(1, 2019853892), (2, 1009926946), (4, 504963473), (7, 288550556), (14, 144275278), (28, 72137639), (49, 41221508), (97, 20823236), (98, 20610754), (131, 15418732), (194, 10411618), (196, 10305377), (262, 7709366), (388, 5205809), (524, 3854683), (679, 2974748), (811, 2490572), (917, 2202676), (1358, 1487374), (1622, 1245286), (1834, 1101338), (2716, 743687), (3244, 622643), (3668, 550669), (4753, 424964), (5677, 355796), (6419, 314668), (9506, 212482), (11354, 177898), (12707, 158956), (12838, 157334), (19012, 106241), (22708, 88949), (25414, 79478), (25676, 78667), (39739, 50828)]