18993696736

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1177

約数の個数: 144

約数和(自身を含む): 44727772320

約数和(自身を除く): 25734075584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 287, 328, 392, 439, 574, 656, 673, 784, 878, 1148, 1312, 1346, 1568, 1756, 2009, 2296, 2692, 3073, 3512, 4018, 4592, 4711, 5384, 6146, 7024, 8036, 9184, 9422, 10768, 12292, 14048, 16072, 17999, 18844, 21511, 21536, 24584, 27593, 32144, 32977, 35998, 37688, 43022, 49168, 55186, 64288, 65954, 71996, 75376, 86044, 98336, 110372, 125993, 131908, 143992, 150752, 172088, 193151, 220744, 251986, 263816, 287984, 295447, 344176, 386302, 441488, 503972, 527632, 575968, 590894, 688352, 772604, 881951, 882976, 1007944, 1055264, 1181788, 1352057, 1545208, 1763902, 2015888, 2068129, 2363576, 2704114, 3090416, 3527804, 4031776, 4136258, 4727152, 5408228, 6180832, 7055608, 8272516, 9454304, 10816456, 12113327, 14111216, 14476903, 16545032, 21632912, 24226654, 28222432, 28953806, 33090064, 43265824, 48453308, 57907612, 66180128, 84793289, 96906616, 115815224, 169586578, 193813232, 231630448, 339173156, 387626464, 463260896, 593553023, 678346312, 1187106046, 1356692624, 2374212092, 2713385248, 4748424184, 9496848368, 18993696736]

約数ペア:

[(1, 18993696736), (2, 9496848368), (4, 4748424184), (7, 2713385248), (8, 2374212092), (14, 1356692624), (16, 1187106046), (28, 678346312), (32, 593553023), (41, 463260896), (49, 387626464), (56, 339173156), (82, 231630448), (98, 193813232), (112, 169586578), (164, 115815224), (196, 96906616), (224, 84793289), (287, 66180128), (328, 57907612), (392, 48453308), (439, 43265824), (574, 33090064), (656, 28953806), (673, 28222432), (784, 24226654), (878, 21632912), (1148, 16545032), (1312, 14476903), (1346, 14111216), (1568, 12113327), (1756, 10816456), (2009, 9454304), (2296, 8272516), (2692, 7055608), (3073, 6180832), (3512, 5408228), (4018, 4727152), (4592, 4136258), (4711, 4031776), (5384, 3527804), (6146, 3090416), (7024, 2704114), (8036, 2363576), (9184, 2068129), (9422, 2015888), (10768, 1763902), (12292, 1545208), (14048, 1352057), (16072, 1181788), (17999, 1055264), (18844, 1007944), (21511, 882976), (21536, 881951), (24584, 772604), (27593, 688352), (32144, 590894), (32977, 575968), (35998, 527632), (37688, 503972), (43022, 441488), (49168, 386302), (55186, 344176), (64288, 295447), (65954, 287984), (71996, 263816), (75376, 251986), (86044, 220744), (98336, 193151), (110372, 172088), (125993, 150752), (131908, 143992)]