18118736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2297}}^1$

素因数の和:2351

約数の個数: 40

約数和(自身を含む): 38468520

約数和(自身を除く): 20349784

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2297, 3944, 4594, 7888, 9188, 18376, 36752, 39049, 66613, 78098, 133226, 156196, 266452, 312392, 532904, 624784, 1065808, 1132421, 2264842, 4529684, 9059368, 18118736]

約数ペア:

[(1, 18118736), (2, 9059368), (4, 4529684), (8, 2264842), (16, 1132421), (17, 1065808), (29, 624784), (34, 532904), (58, 312392), (68, 266452), (116, 156196), (136, 133226), (232, 78098), (272, 66613), (464, 39049), (493, 36752), (986, 18376), (1972, 9188), (2297, 7888), (3944, 4594)]