18881856

素因数分解:

$2^6\times 3^3\times 7^2\times {\mathrm{223}}^1$

素因数の和:258

約数の個数: 168

約数和(自身を含む): 64861440

約数和(自身を除く): 45979584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 192, 196, 216, 223, 224, 252, 288, 294, 336, 378, 392, 432, 441, 446, 448, 504, 576, 588, 669, 672, 756, 784, 864, 882, 892, 1008, 1176, 1323, 1338, 1344, 1512, 1561, 1568, 1728, 1764, 1784, 2007, 2016, 2352, 2646, 2676, 3024, 3122, 3136, 3528, 3568, 4014, 4032, 4683, 4704, 5292, 5352, 6021, 6048, 6244, 7056, 7136, 8028, 9366, 9408, 10584, 10704, 10927, 12042, 12096, 12488, 14049, 14112, 14272, 16056, 18732, 21168, 21408, 21854, 24084, 24976, 28098, 28224, 32112, 32781, 37464, 42147, 42336, 42816, 43708, 48168, 49952, 56196, 64224, 65562, 74928, 84294, 84672, 87416, 96336, 98343, 99904, 112392, 128448, 131124, 149856, 168588, 174832, 192672, 196686, 224784, 262248, 295029, 299712, 337176, 349664, 385344, 393372, 449568, 524496, 590058, 674352, 699328, 786744, 899136, 1048992, 1180116, 1348704, 1573488, 2097984, 2360232, 2697408, 3146976, 4720464, 6293952, 9440928, 18881856]

約数ペア:

[(1, 18881856), (2, 9440928), (3, 6293952), (4, 4720464), (6, 3146976), (7, 2697408), (8, 2360232), (9, 2097984), (12, 1573488), (14, 1348704), (16, 1180116), (18, 1048992), (21, 899136), (24, 786744), (27, 699328), (28, 674352), (32, 590058), (36, 524496), (42, 449568), (48, 393372), (49, 385344), (54, 349664), (56, 337176), (63, 299712), (64, 295029), (72, 262248), (84, 224784), (96, 196686), (98, 192672), (108, 174832), (112, 168588), (126, 149856), (144, 131124), (147, 128448), (168, 112392), (189, 99904), (192, 98343), (196, 96336), (216, 87416), (223, 84672), (224, 84294), (252, 74928), (288, 65562), (294, 64224), (336, 56196), (378, 49952), (392, 48168), (432, 43708), (441, 42816), (446, 42336), (448, 42147), (504, 37464), (576, 32781), (588, 32112), (669, 28224), (672, 28098), (756, 24976), (784, 24084), (864, 21854), (882, 21408), (892, 21168), (1008, 18732), (1176, 16056), (1323, 14272), (1338, 14112), (1344, 14049), (1512, 12488), (1561, 12096), (1568, 12042), (1728, 10927), (1764, 10704), (1784, 10584), (2007, 9408), (2016, 9366), (2352, 8028), (2646, 7136), (2676, 7056), (3024, 6244), (3122, 6048), (3136, 6021), (3528, 5352), (3568, 5292), (4014, 4704), (4032, 4683)]