19822880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1642

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 38600800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1609, 1760, 2464, 3080, 3218, 6160, 6436, 8045, 11263, 12320, 12872, 16090, 17699, 22526, 25744, 32180, 35398, 45052, 51488, 56315, 64360, 70796, 88495, 90104, 112630, 123893, 128720, 141592, 176990, 180208, 225260, 247786, 257440, 283184, 353980, 360416, 450520, 495572, 566368, 619465, 707960, 901040, 991144, 1238930, 1415920, 1802080, 1982288, 2477860, 2831840, 3964576, 4955720, 9911440, 19822880]

約数ペア:

[(1, 19822880), (2, 9911440), (4, 4955720), (5, 3964576), (7, 2831840), (8, 2477860), (10, 1982288), (11, 1802080), (14, 1415920), (16, 1238930), (20, 991144), (22, 901040), (28, 707960), (32, 619465), (35, 566368), (40, 495572), (44, 450520), (55, 360416), (56, 353980), (70, 283184), (77, 257440), (80, 247786), (88, 225260), (110, 180208), (112, 176990), (140, 141592), (154, 128720), (160, 123893), (176, 112630), (220, 90104), (224, 88495), (280, 70796), (308, 64360), (352, 56315), (385, 51488), (440, 45052), (560, 35398), (616, 32180), (770, 25744), (880, 22526), (1120, 17699), (1232, 16090), (1540, 12872), (1609, 12320), (1760, 11263), (2464, 8045), (3080, 6436), (3218, 6160)]