18740459264

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{5479}}^1$

素因数の和:5957

約数の個数: 72

約数和(自身を含む): 38711070720

約数和(自身を除く): 19970611456

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 431, 496, 862, 992, 1724, 1984, 3448, 3968, 5479, 6896, 7936, 10958, 13361, 13792, 21916, 26722, 27584, 43832, 53444, 55168, 87664, 106888, 110336, 169849, 175328, 213776, 339698, 350656, 427552, 679396, 701312, 855104, 1358792, 1402624, 1710208, 2361449, 2717584, 3420416, 4722898, 5435168, 9445796, 10870336, 18891592, 21740672, 37783184, 43481344, 73204919, 75566368, 146409838, 151132736, 292819676, 302265472, 585639352, 604530944, 1171278704, 2342557408, 4685114816, 9370229632, 18740459264]

約数ペア:

[(1, 18740459264), (2, 9370229632), (4, 4685114816), (8, 2342557408), (16, 1171278704), (31, 604530944), (32, 585639352), (62, 302265472), (64, 292819676), (124, 151132736), (128, 146409838), (248, 75566368), (256, 73204919), (431, 43481344), (496, 37783184), (862, 21740672), (992, 18891592), (1724, 10870336), (1984, 9445796), (3448, 5435168), (3968, 4722898), (5479, 3420416), (6896, 2717584), (7936, 2361449), (10958, 1710208), (13361, 1402624), (13792, 1358792), (21916, 855104), (26722, 701312), (27584, 679396), (43832, 427552), (53444, 350656), (55168, 339698), (87664, 213776), (106888, 175328), (110336, 169849)]