19790184964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1\times {\mathrm{2221}}^1$

素因数の和:3196

約数の個数: 48

約数和(自身を含む): 37977641856

約数和(自身を除く): 18187456892

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 647, 1252, 1294, 2221, 2588, 3443, 4442, 6886, 7117, 8884, 13772, 14234, 24431, 28468, 48862, 97724, 202511, 405022, 695173, 810044, 1390346, 1436987, 2227621, 2780692, 2873974, 4455242, 5747948, 7646903, 8910484, 15293806, 15806857, 30587612, 31613714, 63227428, 449776931, 899553862, 1799107724, 4947546241, 9895092482, 19790184964]

約数ペア:

[(1, 19790184964), (2, 9895092482), (4, 4947546241), (11, 1799107724), (22, 899553862), (44, 449776931), (313, 63227428), (626, 31613714), (647, 30587612), (1252, 15806857), (1294, 15293806), (2221, 8910484), (2588, 7646903), (3443, 5747948), (4442, 4455242), (6886, 2873974), (7117, 2780692), (8884, 2227621), (13772, 1436987), (14234, 1390346), (24431, 810044), (28468, 695173), (48862, 405022), (97724, 202511)]