18978067504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{7151}}^1$

素因数の和:8074

約数の個数: 80

約数和(自身を含む): 42526135296

約数和(自身を除く): 23548067792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 887, 1496, 1774, 2992, 3548, 7096, 7151, 9757, 14192, 14302, 15079, 19514, 28604, 30158, 39028, 57208, 60316, 78056, 78661, 114416, 120632, 121567, 156112, 157322, 165869, 241264, 243134, 314644, 331738, 486268, 629288, 663476, 972536, 1258576, 1326952, 1337237, 1945072, 2653904, 2674474, 5348948, 6342937, 10697896, 12685874, 21395792, 25371748, 50743496, 69772307, 101486992, 107829929, 139544614, 215659858, 279089228, 431319716, 558178456, 862639432, 1116356912, 1186129219, 1725278864, 2372258438, 4744516876, 9489033752, 18978067504]

約数ペア:

[(1, 18978067504), (2, 9489033752), (4, 4744516876), (8, 2372258438), (11, 1725278864), (16, 1186129219), (17, 1116356912), (22, 862639432), (34, 558178456), (44, 431319716), (68, 279089228), (88, 215659858), (136, 139544614), (176, 107829929), (187, 101486992), (272, 69772307), (374, 50743496), (748, 25371748), (887, 21395792), (1496, 12685874), (1774, 10697896), (2992, 6342937), (3548, 5348948), (7096, 2674474), (7151, 2653904), (9757, 1945072), (14192, 1337237), (14302, 1326952), (15079, 1258576), (19514, 972536), (28604, 663476), (30158, 629288), (39028, 486268), (57208, 331738), (60316, 314644), (78056, 243134), (78661, 241264), (114416, 165869), (120632, 157322), (121567, 156112)]