19052440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 51321600

約数和(自身を除く): 32269160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 53, 55, 76, 86, 88, 95, 106, 110, 152, 172, 190, 209, 212, 215, 220, 265, 344, 380, 418, 424, 430, 440, 473, 530, 583, 760, 817, 836, 860, 946, 1007, 1045, 1060, 1166, 1634, 1672, 1720, 1892, 2014, 2090, 2120, 2279, 2332, 2365, 2915, 3268, 3784, 4028, 4085, 4180, 4558, 4664, 4730, 5035, 5830, 6536, 8056, 8170, 8360, 8987, 9116, 9460, 10070, 11077, 11395, 11660, 16340, 17974, 18232, 18920, 20140, 22154, 22790, 23320, 25069, 32680, 35948, 40280, 43301, 44308, 44935, 45580, 50138, 55385, 71896, 86602, 88616, 89870, 91160, 100276, 110770, 125345, 173204, 179740, 200552, 216505, 221540, 250690, 346408, 359480, 433010, 443080, 476311, 501380, 866020, 952622, 1002760, 1732040, 1905244, 2381555, 3810488, 4763110, 9526220, 19052440]

約数ペア:

[(1, 19052440), (2, 9526220), (4, 4763110), (5, 3810488), (8, 2381555), (10, 1905244), (11, 1732040), (19, 1002760), (20, 952622), (22, 866020), (38, 501380), (40, 476311), (43, 443080), (44, 433010), (53, 359480), (55, 346408), (76, 250690), (86, 221540), (88, 216505), (95, 200552), (106, 179740), (110, 173204), (152, 125345), (172, 110770), (190, 100276), (209, 91160), (212, 89870), (215, 88616), (220, 86602), (265, 71896), (344, 55385), (380, 50138), (418, 45580), (424, 44935), (430, 44308), (440, 43301), (473, 40280), (530, 35948), (583, 32680), (760, 25069), (817, 23320), (836, 22790), (860, 22154), (946, 20140), (1007, 18920), (1045, 18232), (1060, 17974), (1166, 16340), (1634, 11660), (1672, 11395), (1720, 11077), (1892, 10070), (2014, 9460), (2090, 9116), (2120, 8987), (2279, 8360), (2332, 8170), (2365, 8056), (2915, 6536), (3268, 5830), (3784, 5035), (4028, 4730), (4085, 4664), (4180, 4558)]