19210400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 53434080

約数和(自身を除く): 34223680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 59, 74, 80, 88, 100, 110, 118, 148, 160, 176, 185, 200, 220, 236, 275, 295, 296, 352, 370, 400, 407, 440, 472, 550, 590, 592, 649, 740, 800, 814, 880, 925, 944, 1100, 1180, 1184, 1298, 1475, 1480, 1628, 1760, 1850, 1888, 2035, 2183, 2200, 2360, 2596, 2950, 2960, 3245, 3256, 3700, 4070, 4366, 4400, 4720, 5192, 5900, 5920, 6490, 6512, 7400, 8140, 8732, 8800, 9440, 10175, 10384, 10915, 11800, 12980, 13024, 14800, 16225, 16280, 17464, 20350, 20768, 21830, 23600, 24013, 25960, 29600, 32450, 32560, 34928, 40700, 43660, 47200, 48026, 51920, 54575, 64900, 65120, 69856, 81400, 87320, 96052, 103840, 109150, 120065, 129800, 162800, 174640, 192104, 218300, 240130, 259600, 325600, 349280, 384208, 436600, 480260, 519200, 600325, 768416, 873200, 960520, 1200650, 1746400, 1921040, 2401300, 3842080, 4802600, 9605200, 19210400]

約数ペア:

[(1, 19210400), (2, 9605200), (4, 4802600), (5, 3842080), (8, 2401300), (10, 1921040), (11, 1746400), (16, 1200650), (20, 960520), (22, 873200), (25, 768416), (32, 600325), (37, 519200), (40, 480260), (44, 436600), (50, 384208), (55, 349280), (59, 325600), (74, 259600), (80, 240130), (88, 218300), (100, 192104), (110, 174640), (118, 162800), (148, 129800), (160, 120065), (176, 109150), (185, 103840), (200, 96052), (220, 87320), (236, 81400), (275, 69856), (295, 65120), (296, 64900), (352, 54575), (370, 51920), (400, 48026), (407, 47200), (440, 43660), (472, 40700), (550, 34928), (590, 32560), (592, 32450), (649, 29600), (740, 25960), (800, 24013), (814, 23600), (880, 21830), (925, 20768), (944, 20350), (1100, 17464), (1180, 16280), (1184, 16225), (1298, 14800), (1475, 13024), (1480, 12980), (1628, 11800), (1760, 10915), (1850, 10384), (1888, 10175), (2035, 9440), (2183, 8800), (2200, 8732), (2360, 8140), (2596, 7400), (2950, 6512), (2960, 6490), (3245, 5920), (3256, 5900), (3700, 5192), (4070, 4720), (4366, 4400)]