18994541552

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1\times {\mathrm{1367}}^1$

素因数の和:2758

約数の個数: 80

約数和(自身を含む): 42557276160

約数和(自身を除く): 23562734608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1279, 1358, 1367, 1552, 2558, 2716, 2734, 5116, 5432, 5468, 8953, 9569, 10232, 10864, 10936, 17906, 19138, 20464, 21872, 35812, 38276, 71624, 76552, 124063, 132599, 143248, 153104, 248126, 265198, 496252, 530396, 868441, 928193, 992504, 1060792, 1736882, 1748393, 1856386, 1985008, 2121584, 3473764, 3496786, 3712772, 6947528, 6993572, 7425544, 12238751, 13895056, 13987144, 14851088, 24477502, 27974288, 48955004, 97910008, 169594121, 195820016, 339188242, 678376484, 1187158847, 1356752968, 2374317694, 2713505936, 4748635388, 9497270776, 18994541552]

約数ペア:

[(1, 18994541552), (2, 9497270776), (4, 4748635388), (7, 2713505936), (8, 2374317694), (14, 1356752968), (16, 1187158847), (28, 678376484), (56, 339188242), (97, 195820016), (112, 169594121), (194, 97910008), (388, 48955004), (679, 27974288), (776, 24477502), (1279, 14851088), (1358, 13987144), (1367, 13895056), (1552, 12238751), (2558, 7425544), (2716, 6993572), (2734, 6947528), (5116, 3712772), (5432, 3496786), (5468, 3473764), (8953, 2121584), (9569, 1985008), (10232, 1856386), (10864, 1748393), (10936, 1736882), (17906, 1060792), (19138, 992504), (20464, 928193), (21872, 868441), (35812, 530396), (38276, 496252), (71624, 265198), (76552, 248126), (124063, 153104), (132599, 143248)]