18785734144

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{40813}}^1$

素因数の和:40891

約数の個数: 80

約数和(自身を含む): 40082613120

約数和(自身を除く): 21296878976

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 128, 232, 248, 256, 464, 496, 512, 899, 928, 992, 1798, 1856, 1984, 3596, 3712, 3968, 7192, 7424, 7936, 14384, 14848, 15872, 28768, 40813, 57536, 81626, 115072, 163252, 230144, 326504, 460288, 653008, 1183577, 1265203, 1306016, 2367154, 2530406, 2612032, 4734308, 5060812, 5224064, 9468616, 10121624, 10448128, 18937232, 20243248, 20896256, 36690887, 37874464, 40486496, 73381774, 75748928, 80972992, 146763548, 151497856, 161945984, 293527096, 302995712, 323891968, 587054192, 605991424, 647783936, 1174108384, 2348216768, 4696433536, 9392867072, 18785734144]

約数ペア:

[(1, 18785734144), (2, 9392867072), (4, 4696433536), (8, 2348216768), (16, 1174108384), (29, 647783936), (31, 605991424), (32, 587054192), (58, 323891968), (62, 302995712), (64, 293527096), (116, 161945984), (124, 151497856), (128, 146763548), (232, 80972992), (248, 75748928), (256, 73381774), (464, 40486496), (496, 37874464), (512, 36690887), (899, 20896256), (928, 20243248), (992, 18937232), (1798, 10448128), (1856, 10121624), (1984, 9468616), (3596, 5224064), (3712, 5060812), (3968, 4734308), (7192, 2612032), (7424, 2530406), (7936, 2367154), (14384, 1306016), (14848, 1265203), (15872, 1183577), (28768, 653008), (40813, 460288), (57536, 326504), (81626, 230144), (115072, 163252)]