19844000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 54899208

約数和(自身を除く): 35055208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 121, 125, 160, 164, 176, 200, 205, 220, 242, 250, 275, 328, 352, 400, 410, 440, 451, 484, 500, 550, 605, 656, 800, 820, 880, 902, 968, 1000, 1025, 1100, 1210, 1312, 1375, 1640, 1760, 1804, 1936, 2000, 2050, 2200, 2255, 2420, 2750, 3025, 3280, 3608, 3872, 4000, 4100, 4400, 4510, 4840, 4961, 5125, 5500, 6050, 6560, 7216, 8200, 8800, 9020, 9680, 9922, 10250, 11000, 11275, 12100, 14432, 15125, 16400, 18040, 19360, 19844, 20500, 22000, 22550, 24200, 24805, 30250, 32800, 36080, 39688, 41000, 44000, 45100, 48400, 49610, 56375, 60500, 72160, 79376, 82000, 90200, 96800, 99220, 112750, 121000, 124025, 158752, 164000, 180400, 198440, 225500, 242000, 248050, 360800, 396880, 451000, 484000, 496100, 620125, 793760, 902000, 992200, 1240250, 1804000, 1984400, 2480500, 3968800, 4961000, 9922000, 19844000]

約数ペア:

[(1, 19844000), (2, 9922000), (4, 4961000), (5, 3968800), (8, 2480500), (10, 1984400), (11, 1804000), (16, 1240250), (20, 992200), (22, 902000), (25, 793760), (32, 620125), (40, 496100), (41, 484000), (44, 451000), (50, 396880), (55, 360800), (80, 248050), (82, 242000), (88, 225500), (100, 198440), (110, 180400), (121, 164000), (125, 158752), (160, 124025), (164, 121000), (176, 112750), (200, 99220), (205, 96800), (220, 90200), (242, 82000), (250, 79376), (275, 72160), (328, 60500), (352, 56375), (400, 49610), (410, 48400), (440, 45100), (451, 44000), (484, 41000), (500, 39688), (550, 36080), (605, 32800), (656, 30250), (800, 24805), (820, 24200), (880, 22550), (902, 22000), (968, 20500), (1000, 19844), (1025, 19360), (1100, 18040), (1210, 16400), (1312, 15125), (1375, 14432), (1640, 12100), (1760, 11275), (1804, 11000), (1936, 10250), (2000, 9922), (2050, 9680), (2200, 9020), (2255, 8800), (2420, 8200), (2750, 7216), (3025, 6560), (3280, 6050), (3608, 5500), (3872, 5125), (4000, 4961), (4100, 4840), (4400, 4510)]