19739944

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 44251380

約数和(自身を除く): 24511436

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1361, 1813, 2072, 2722, 3626, 5444, 7252, 9527, 10888, 14504, 19054, 38108, 50357, 66689, 76216, 100714, 133378, 201428, 266756, 352499, 402856, 533512, 704998, 1409996, 2467493, 2819992, 4934986, 9869972, 19739944]

約数ペア:

[(1, 19739944), (2, 9869972), (4, 4934986), (7, 2819992), (8, 2467493), (14, 1409996), (28, 704998), (37, 533512), (49, 402856), (56, 352499), (74, 266756), (98, 201428), (148, 133378), (196, 100714), (259, 76216), (296, 66689), (392, 50357), (518, 38108), (1036, 19054), (1361, 14504), (1813, 10888), (2072, 9527), (2722, 7252), (3626, 5444)]