19923200

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 53986128

約数和(自身を除く): 34062928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 283, 320, 352, 400, 440, 550, 566, 640, 704, 800, 880, 1100, 1132, 1280, 1408, 1415, 1600, 1760, 2200, 2264, 2816, 2830, 3113, 3200, 3520, 4400, 4528, 5660, 6226, 6400, 7040, 7075, 8800, 9056, 11320, 12452, 14080, 14150, 15565, 17600, 18112, 22640, 24904, 28300, 31130, 35200, 36224, 45280, 49808, 56600, 62260, 70400, 72448, 77825, 90560, 99616, 113200, 124520, 155650, 181120, 199232, 226400, 249040, 311300, 362240, 398464, 452800, 498080, 622600, 796928, 905600, 996160, 1245200, 1811200, 1992320, 2490400, 3984640, 4980800, 9961600, 19923200]

約数ペア:

[(1, 19923200), (2, 9961600), (4, 4980800), (5, 3984640), (8, 2490400), (10, 1992320), (11, 1811200), (16, 1245200), (20, 996160), (22, 905600), (25, 796928), (32, 622600), (40, 498080), (44, 452800), (50, 398464), (55, 362240), (64, 311300), (80, 249040), (88, 226400), (100, 199232), (110, 181120), (128, 155650), (160, 124520), (176, 113200), (200, 99616), (220, 90560), (256, 77825), (275, 72448), (283, 70400), (320, 62260), (352, 56600), (400, 49808), (440, 45280), (550, 36224), (566, 35200), (640, 31130), (704, 28300), (800, 24904), (880, 22640), (1100, 18112), (1132, 17600), (1280, 15565), (1408, 14150), (1415, 14080), (1600, 12452), (1760, 11320), (2200, 9056), (2264, 8800), (2816, 7075), (2830, 7040), (3113, 6400), (3200, 6226), (3520, 5660), (4400, 4528)]