18388631368

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{823}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 35383219200

約数和(自身を除く): 16994587832

約数列:

[1, 2, 4, 8, 71, 139, 142, 278, 283, 284, 556, 566, 568, 823, 1112, 1132, 1646, 2264, 3292, 6584, 9869, 19738, 20093, 39337, 39476, 40186, 58433, 78674, 78952, 80372, 114397, 116866, 157348, 160744, 228794, 232909, 233732, 314696, 457588, 465818, 467464, 915176, 931636, 1863272, 2792927, 5585854, 8122187, 11171708, 16244374, 16536539, 22343416, 32374351, 32488748, 33073078, 64748702, 64977496, 66146156, 129497404, 132292312, 258994808, 2298578921, 4597157842, 9194315684, 18388631368]

約数ペア:

[(1, 18388631368), (2, 9194315684), (4, 4597157842), (8, 2298578921), (71, 258994808), (139, 132292312), (142, 129497404), (278, 66146156), (283, 64977496), (284, 64748702), (556, 33073078), (566, 32488748), (568, 32374351), (823, 22343416), (1112, 16536539), (1132, 16244374), (1646, 11171708), (2264, 8122187), (3292, 5585854), (6584, 2792927), (9869, 1863272), (19738, 931636), (20093, 915176), (39337, 467464), (39476, 465818), (40186, 457588), (58433, 314696), (78674, 233732), (78952, 232909), (80372, 228794), (114397, 160744), (116866, 157348)]