2019940208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8741}}^1$

素因数の和:8874

約数の個数: 80

約数和(自身を含む): 4643890272

約数和(自身を除く): 2623950064

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 101, 104, 143, 176, 202, 208, 286, 404, 572, 808, 1111, 1144, 1313, 1616, 2222, 2288, 2626, 4444, 5252, 8741, 8888, 10504, 14443, 17482, 17776, 21008, 28886, 34964, 57772, 69928, 96151, 113633, 115544, 139856, 192302, 227266, 231088, 384604, 454532, 769208, 882841, 909064, 1249963, 1538416, 1765682, 1818128, 2499926, 3531364, 4999852, 7062728, 9711251, 9999704, 11476933, 14125456, 19422502, 19999408, 22953866, 38845004, 45907732, 77690008, 91815464, 126246263, 155380016, 183630928, 252492526, 504985052, 1009970104, 2019940208]

約数ペア:

[(1, 2019940208), (2, 1009970104), (4, 504985052), (8, 252492526), (11, 183630928), (13, 155380016), (16, 126246263), (22, 91815464), (26, 77690008), (44, 45907732), (52, 38845004), (88, 22953866), (101, 19999408), (104, 19422502), (143, 14125456), (176, 11476933), (202, 9999704), (208, 9711251), (286, 7062728), (404, 4999852), (572, 3531364), (808, 2499926), (1111, 1818128), (1144, 1765682), (1313, 1538416), (1616, 1249963), (2222, 909064), (2288, 882841), (2626, 769208), (4444, 454532), (5252, 384604), (8741, 231088), (8888, 227266), (10504, 192302), (14443, 139856), (17482, 115544), (17776, 113633), (21008, 96151), (28886, 69928), (34964, 57772)]