19147986

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 50162112

約数和(自身を除く): 31014126

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 43, 66, 78, 86, 99, 117, 129, 143, 173, 198, 234, 258, 286, 346, 387, 429, 473, 519, 559, 774, 858, 946, 1038, 1118, 1287, 1419, 1557, 1677, 1903, 2249, 2574, 2838, 3114, 3354, 3806, 4257, 4498, 5031, 5709, 6149, 6747, 7439, 8514, 10062, 11418, 12298, 13494, 14878, 17127, 18447, 20241, 22317, 24739, 34254, 36894, 40482, 44634, 49478, 55341, 66951, 74217, 81829, 96707, 110682, 133902, 148434, 163658, 193414, 222651, 245487, 290121, 445302, 490974, 580242, 736461, 870363, 1063777, 1472922, 1740726, 2127554, 3191331, 6382662, 9573993, 19147986]

約数ペア:

[(1, 19147986), (2, 9573993), (3, 6382662), (6, 3191331), (9, 2127554), (11, 1740726), (13, 1472922), (18, 1063777), (22, 870363), (26, 736461), (33, 580242), (39, 490974), (43, 445302), (66, 290121), (78, 245487), (86, 222651), (99, 193414), (117, 163658), (129, 148434), (143, 133902), (173, 110682), (198, 96707), (234, 81829), (258, 74217), (286, 66951), (346, 55341), (387, 49478), (429, 44634), (473, 40482), (519, 36894), (559, 34254), (774, 24739), (858, 22317), (946, 20241), (1038, 18447), (1118, 17127), (1287, 14878), (1419, 13494), (1557, 12298), (1677, 11418), (1903, 10062), (2249, 8514), (2574, 7439), (2838, 6747), (3114, 6149), (3354, 5709), (3806, 5031), (4257, 4498)]