19722032

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 42945168

約数和(自身を除く): 23223136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 121, 122, 167, 176, 242, 244, 334, 484, 488, 668, 671, 968, 976, 1336, 1342, 1837, 1936, 2672, 2684, 3674, 5368, 7348, 7381, 10187, 10736, 14696, 14762, 20207, 20374, 29392, 29524, 40414, 40748, 59048, 80828, 81496, 112057, 118096, 161656, 162992, 224114, 323312, 448228, 896456, 1232627, 1792912, 2465254, 4930508, 9861016, 19722032]

約数ペア:

[(1, 19722032), (2, 9861016), (4, 4930508), (8, 2465254), (11, 1792912), (16, 1232627), (22, 896456), (44, 448228), (61, 323312), (88, 224114), (121, 162992), (122, 161656), (167, 118096), (176, 112057), (242, 81496), (244, 80828), (334, 59048), (484, 40748), (488, 40414), (668, 29524), (671, 29392), (968, 20374), (976, 20207), (1336, 14762), (1342, 14696), (1837, 10736), (1936, 10187), (2672, 7381), (2684, 7348), (3674, 5368)]