19783670361

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{1723}}^1$

素因数の和:2190

約数の個数: 64

約数和(自身を含む): 32828049408

約数和(自身を除く): 13044379047

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 307, 411, 921, 959, 1723, 1781, 2149, 2877, 3991, 5169, 5343, 6447, 11973, 12061, 12467, 22399, 27937, 36183, 37401, 42059, 67197, 83811, 126177, 156793, 236051, 294413, 470379, 528961, 546767, 708153, 883239, 1586883, 1640301, 1652357, 3068663, 3702727, 3827369, 4957071, 6876493, 9205989, 11108181, 11482107, 20629479, 21480641, 48135451, 64441923, 72467657, 144406353, 217402971, 507273599, 942079541, 1521820797, 2826238623, 6594556787, 19783670361]

約数ペア:

[(1, 19783670361), (3, 6594556787), (7, 2826238623), (13, 1521820797), (21, 942079541), (39, 507273599), (91, 217402971), (137, 144406353), (273, 72467657), (307, 64441923), (411, 48135451), (921, 21480641), (959, 20629479), (1723, 11482107), (1781, 11108181), (2149, 9205989), (2877, 6876493), (3991, 4957071), (5169, 3827369), (5343, 3702727), (6447, 3068663), (11973, 1652357), (12061, 1640301), (12467, 1586883), (22399, 883239), (27937, 708153), (36183, 546767), (37401, 528961), (42059, 470379), (67197, 294413), (83811, 236051), (126177, 156793)]