18812288

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 23489152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 431, 496, 682, 704, 862, 992, 1364, 1408, 1724, 1984, 2728, 3448, 3968, 4741, 5456, 6896, 9482, 10912, 13361, 13792, 18964, 21824, 26722, 27584, 37928, 43648, 53444, 55168, 75856, 106888, 146971, 151712, 213776, 293942, 303424, 427552, 587884, 606848, 855104, 1175768, 1710208, 2351536, 4703072, 9406144, 18812288]

約数ペア:

[(1, 18812288), (2, 9406144), (4, 4703072), (8, 2351536), (11, 1710208), (16, 1175768), (22, 855104), (31, 606848), (32, 587884), (44, 427552), (62, 303424), (64, 293942), (88, 213776), (124, 151712), (128, 146971), (176, 106888), (248, 75856), (341, 55168), (352, 53444), (431, 43648), (496, 37928), (682, 27584), (704, 26722), (862, 21824), (992, 18964), (1364, 13792), (1408, 13361), (1724, 10912), (1984, 9482), (2728, 6896), (3448, 5456), (3968, 4741)]