19691992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 38495520

約数和(自身を除く): 18803528

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 937, 1874, 2627, 3748, 5254, 7496, 10508, 21016, 34669, 66527, 69338, 133054, 138676, 266108, 277352, 532216, 2461499, 4922998, 9845996, 19691992]

約数ペア:

[(1, 19691992), (2, 9845996), (4, 4922998), (8, 2461499), (37, 532216), (71, 277352), (74, 266108), (142, 138676), (148, 133054), (284, 69338), (296, 66527), (568, 34669), (937, 21016), (1874, 10508), (2627, 7496), (3748, 5254)]