19755612

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 52416000

約数和(自身を除く): 32660388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 149, 174, 254, 261, 298, 348, 381, 447, 508, 522, 596, 762, 894, 1044, 1143, 1341, 1524, 1788, 2286, 2682, 3683, 4321, 4572, 5364, 7366, 8642, 11049, 12963, 14732, 17284, 18923, 22098, 25926, 33147, 37846, 38889, 44196, 51852, 56769, 66294, 75692, 77778, 113538, 132588, 155556, 170307, 227076, 340614, 548767, 681228, 1097534, 1646301, 2195068, 3292602, 4938903, 6585204, 9877806, 19755612]

約数ペア:

[(1, 19755612), (2, 9877806), (3, 6585204), (4, 4938903), (6, 3292602), (9, 2195068), (12, 1646301), (18, 1097534), (29, 681228), (36, 548767), (58, 340614), (87, 227076), (116, 170307), (127, 155556), (149, 132588), (174, 113538), (254, 77778), (261, 75692), (298, 66294), (348, 56769), (381, 51852), (447, 44196), (508, 38889), (522, 37846), (596, 33147), (762, 25926), (894, 22098), (1044, 18923), (1143, 17284), (1341, 14732), (1524, 12963), (1788, 11049), (2286, 8642), (2682, 7366), (3683, 5364), (4321, 4572)]