19914921792

素因数分解:

$2^6\times 3^4\times {\mathrm{31}}^1\times {\mathrm{123923}}^1$

素因数の和:123978

約数の個数: 140

約数和(自身を含む): 60938883456

約数和(自身を除く): 41023961664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1296, 1488, 1674, 1728, 1984, 2232, 2511, 2592, 2976, 3348, 4464, 5022, 5184, 5952, 6696, 8928, 10044, 13392, 17856, 20088, 26784, 40176, 53568, 80352, 123923, 160704, 247846, 371769, 495692, 743538, 991384, 1115307, 1487076, 1982768, 2230614, 2974152, 3345921, 3841613, 3965536, 4461228, 5948304, 6691842, 7683226, 7931072, 8922456, 10037763, 11524839, 11896608, 13383684, 15366452, 17844912, 20075526, 23049678, 23793216, 26767368, 30732904, 34574517, 35689824, 40151052, 46099356, 53534736, 61465808, 69149034, 71379648, 80302104, 92198712, 103723551, 107069472, 122931616, 138298068, 160604208, 184397424, 207447102, 214138944, 245863232, 276596136, 311170653, 321208416, 368794848, 414894204, 553192272, 622341306, 642416832, 737589696, 829788408, 1106384544, 1244682612, 1659576816, 2212769088, 2489365224, 3319153632, 4978730448, 6638307264, 9957460896, 19914921792]

約数ペア:

[(1, 19914921792), (2, 9957460896), (3, 6638307264), (4, 4978730448), (6, 3319153632), (8, 2489365224), (9, 2212769088), (12, 1659576816), (16, 1244682612), (18, 1106384544), (24, 829788408), (27, 737589696), (31, 642416832), (32, 622341306), (36, 553192272), (48, 414894204), (54, 368794848), (62, 321208416), (64, 311170653), (72, 276596136), (81, 245863232), (93, 214138944), (96, 207447102), (108, 184397424), (124, 160604208), (144, 138298068), (162, 122931616), (186, 107069472), (192, 103723551), (216, 92198712), (248, 80302104), (279, 71379648), (288, 69149034), (324, 61465808), (372, 53534736), (432, 46099356), (496, 40151052), (558, 35689824), (576, 34574517), (648, 30732904), (744, 26767368), (837, 23793216), (864, 23049678), (992, 20075526), (1116, 17844912), (1296, 15366452), (1488, 13383684), (1674, 11896608), (1728, 11524839), (1984, 10037763), (2232, 8922456), (2511, 7931072), (2592, 7683226), (2976, 6691842), (3348, 5948304), (4464, 4461228), (5022, 3965536), (5184, 3841613), (5952, 3345921), (6696, 2974152), (8928, 2230614), (10044, 1982768), (13392, 1487076), (17856, 1115307), (20088, 991384), (26784, 743538), (40176, 495692), (53568, 371769), (80352, 247846), (123923, 160704)]