18771392

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:433

約数の個数: 56

約数和(自身を含む): 40233600

約数和(自身を除く): 21462208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 152, 172, 304, 344, 359, 608, 688, 718, 817, 1216, 1376, 1436, 1634, 2752, 2872, 3268, 5744, 6536, 6821, 11488, 13072, 13642, 15437, 22976, 26144, 27284, 30874, 52288, 54568, 61748, 109136, 123496, 218272, 246992, 293303, 436544, 493984, 586606, 987968, 1173212, 2346424, 4692848, 9385696, 18771392]

約数ペア:

[(1, 18771392), (2, 9385696), (4, 4692848), (8, 2346424), (16, 1173212), (19, 987968), (32, 586606), (38, 493984), (43, 436544), (64, 293303), (76, 246992), (86, 218272), (152, 123496), (172, 109136), (304, 61748), (344, 54568), (359, 52288), (608, 30874), (688, 27284), (718, 26144), (817, 22976), (1216, 15437), (1376, 13642), (1436, 13072), (1634, 11488), (2752, 6821), (2872, 6536), (3268, 5744)]