18993314608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1\times {\mathrm{571}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 38357862400

約数和(自身を除く): 19364547792

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 199, 248, 337, 398, 496, 571, 674, 796, 1142, 1348, 1592, 2284, 2696, 3184, 4568, 5392, 6169, 9136, 10447, 12338, 17701, 20894, 24676, 35402, 41788, 49352, 67063, 70804, 83576, 98704, 113629, 134126, 141608, 167152, 192427, 227258, 268252, 283216, 384854, 454516, 536504, 769708, 909032, 1073008, 1539416, 1818064, 2078953, 3078832, 3522499, 4157906, 5965237, 7044998, 8315812, 11930474, 14089996, 16631624, 23860948, 28179992, 33263248, 38292973, 47721896, 56359984, 76585946, 95443792, 153171892, 306343784, 612687568, 1187082163, 2374164326, 4748328652, 9496657304, 18993314608]

約数ペア:

[(1, 18993314608), (2, 9496657304), (4, 4748328652), (8, 2374164326), (16, 1187082163), (31, 612687568), (62, 306343784), (124, 153171892), (199, 95443792), (248, 76585946), (337, 56359984), (398, 47721896), (496, 38292973), (571, 33263248), (674, 28179992), (796, 23860948), (1142, 16631624), (1348, 14089996), (1592, 11930474), (2284, 8315812), (2696, 7044998), (3184, 5965237), (4568, 4157906), (5392, 3522499), (6169, 3078832), (9136, 2078953), (10447, 1818064), (12338, 1539416), (17701, 1073008), (20894, 909032), (24676, 769708), (35402, 536504), (41788, 454516), (49352, 384854), (67063, 283216), (70804, 268252), (83576, 227258), (98704, 192427), (113629, 167152), (134126, 141608)]