2018520738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{507421}}^1$

素因数の和:507459

約数の個数: 48

約数和(自身を含む): 4986943416

約数和(自身を除く): 2968422678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 507421, 1014842, 1522263, 3044526, 4566789, 6596473, 8626157, 9133578, 13192946, 17252314, 19789419, 25878471, 39578838, 51756942, 59368257, 77635413, 112140041, 118736514, 155270826, 224280082, 336420123, 672840246, 1009260369, 2018520738]

約数ペア:

[(1, 2018520738), (2, 1009260369), (3, 672840246), (6, 336420123), (9, 224280082), (13, 155270826), (17, 118736514), (18, 112140041), (26, 77635413), (34, 59368257), (39, 51756942), (51, 39578838), (78, 25878471), (102, 19789419), (117, 17252314), (153, 13192946), (221, 9133578), (234, 8626157), (306, 6596473), (442, 4566789), (663, 3044526), (1326, 1522263), (1989, 1014842), (3978, 507421)]