20181567104

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{54163}}^1$

素因数の和:54289

約数の個数: 64

約数和(自身を含む): 41766943680

約数和(自身を除く): 21585376576

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 71, 82, 128, 142, 164, 284, 328, 568, 656, 1136, 1312, 2272, 2624, 2911, 4544, 5248, 5822, 9088, 11644, 23288, 46576, 54163, 93152, 108326, 186304, 216652, 372608, 433304, 866608, 1733216, 2220683, 3466432, 3845573, 4441366, 6932864, 7691146, 8882732, 15382292, 17765464, 30764584, 35530928, 61529168, 71061856, 123058336, 142123712, 157668493, 246116672, 284247424, 315336986, 492233344, 630673972, 1261347944, 2522695888, 5045391776, 10090783552, 20181567104]

約数ペア:

[(1, 20181567104), (2, 10090783552), (4, 5045391776), (8, 2522695888), (16, 1261347944), (32, 630673972), (41, 492233344), (64, 315336986), (71, 284247424), (82, 246116672), (128, 157668493), (142, 142123712), (164, 123058336), (284, 71061856), (328, 61529168), (568, 35530928), (656, 30764584), (1136, 17765464), (1312, 15382292), (2272, 8882732), (2624, 7691146), (2911, 6932864), (4544, 4441366), (5248, 3845573), (5822, 3466432), (9088, 2220683), (11644, 1733216), (23288, 866608), (46576, 433304), (54163, 372608), (93152, 216652), (108326, 186304)]