19919155648

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{20201}}^1$

素因数の和:20322

約数の個数: 112

約数和(自身を含む): 47290134528

約数和(自身を除く): 27370978880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 71, 112, 124, 142, 217, 224, 248, 284, 434, 448, 496, 497, 568, 868, 992, 994, 1136, 1736, 1984, 1988, 2201, 2272, 3472, 3976, 4402, 4544, 6944, 7952, 8804, 13888, 15407, 15904, 17608, 20201, 30814, 31808, 35216, 40402, 61628, 70432, 80804, 123256, 140864, 141407, 161608, 246512, 282814, 323216, 493024, 565628, 626231, 646432, 986048, 1131256, 1252462, 1292864, 1434271, 2262512, 2504924, 2868542, 4383617, 4525024, 5009848, 5737084, 8767234, 9050048, 10019696, 10039897, 11474168, 17534468, 20039392, 20079794, 22948336, 35068936, 40078784, 40159588, 44462401, 45896672, 70137872, 80319176, 88924802, 91793344, 140275744, 160638352, 177849604, 280551488, 311236807, 321276704, 355699208, 622473614, 642553408, 711398416, 1244947228, 1422796832, 2489894456, 2845593664, 4979788912, 9959577824, 19919155648]

約数ペア:

[(1, 19919155648), (2, 9959577824), (4, 4979788912), (7, 2845593664), (8, 2489894456), (14, 1422796832), (16, 1244947228), (28, 711398416), (31, 642553408), (32, 622473614), (56, 355699208), (62, 321276704), (64, 311236807), (71, 280551488), (112, 177849604), (124, 160638352), (142, 140275744), (217, 91793344), (224, 88924802), (248, 80319176), (284, 70137872), (434, 45896672), (448, 44462401), (496, 40159588), (497, 40078784), (568, 35068936), (868, 22948336), (992, 20079794), (994, 20039392), (1136, 17534468), (1736, 11474168), (1984, 10039897), (1988, 10019696), (2201, 9050048), (2272, 8767234), (3472, 5737084), (3976, 5009848), (4402, 4525024), (4544, 4383617), (6944, 2868542), (7952, 2504924), (8804, 2262512), (13888, 1434271), (15407, 1292864), (15904, 1252462), (17608, 1131256), (20201, 986048), (30814, 646432), (31808, 626231), (35216, 565628), (40402, 493024), (61628, 323216), (70432, 282814), (80804, 246512), (123256, 161608), (140864, 141407)]