2019423808

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 84

約数和(自身を含む): 4188683520

約数和(自身を除く): 2169259712

約数列:

[1, 2, 4, 8, 16, 32, 47, 53, 64, 94, 106, 188, 212, 239, 376, 424, 478, 752, 848, 956, 1504, 1696, 1912, 2491, 2809, 3008, 3392, 3824, 4982, 5618, 7648, 9964, 11233, 11236, 12667, 15296, 19928, 22466, 22472, 25334, 39856, 44932, 44944, 50668, 79712, 89864, 89888, 101336, 132023, 159424, 179728, 179776, 202672, 264046, 359456, 405344, 528092, 595349, 671351, 718912, 810688, 1056184, 1190698, 1342702, 2112368, 2381396, 2685404, 4224736, 4762792, 5370808, 8449472, 9525584, 10741616, 19051168, 21483232, 31553497, 38102336, 42966464, 63106994, 126213988, 252427976, 504855952, 1009711904, 2019423808]

約数ペア:

[(1, 2019423808), (2, 1009711904), (4, 504855952), (8, 252427976), (16, 126213988), (32, 63106994), (47, 42966464), (53, 38102336), (64, 31553497), (94, 21483232), (106, 19051168), (188, 10741616), (212, 9525584), (239, 8449472), (376, 5370808), (424, 4762792), (478, 4224736), (752, 2685404), (848, 2381396), (956, 2112368), (1504, 1342702), (1696, 1190698), (1912, 1056184), (2491, 810688), (2809, 718912), (3008, 671351), (3392, 595349), (3824, 528092), (4982, 405344), (5618, 359456), (7648, 264046), (9964, 202672), (11233, 179776), (11236, 179728), (12667, 159424), (15296, 132023), (19928, 101336), (22466, 89888), (22472, 89864), (25334, 79712), (39856, 50668), (44932, 44944)]