18804960896

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179821}}^1$

素因数の和:179897

約数の個数: 64

約数和(自身を含む): 40352056800

約数和(自身を除く): 21547095904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 304, 344, 608, 688, 817, 1216, 1376, 1634, 2432, 2752, 3268, 5504, 6536, 13072, 26144, 52288, 104576, 179821, 359642, 719284, 1438568, 2877136, 3416599, 5754272, 6833198, 7732303, 11508544, 13666396, 15464606, 23017088, 27332792, 30929212, 54665584, 61858424, 109331168, 123716848, 146913757, 218662336, 247433696, 293827514, 437324672, 494867392, 587655028, 989734784, 1175310056, 2350620112, 4701240224, 9402480448, 18804960896]

約数ペア:

[(1, 18804960896), (2, 9402480448), (4, 4701240224), (8, 2350620112), (16, 1175310056), (19, 989734784), (32, 587655028), (38, 494867392), (43, 437324672), (64, 293827514), (76, 247433696), (86, 218662336), (128, 146913757), (152, 123716848), (172, 109331168), (304, 61858424), (344, 54665584), (608, 30929212), (688, 27332792), (817, 23017088), (1216, 15464606), (1376, 13666396), (1634, 11508544), (2432, 7732303), (2752, 6833198), (3268, 5754272), (5504, 3416599), (6536, 2877136), (13072, 1438568), (26144, 719284), (52288, 359642), (104576, 179821)]