19494328

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4903}}^1$

素因数の和:4987

約数の個数: 32

約数和(自身を含む): 42370560

約数和(自身を除く): 22876232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4903, 9806, 19612, 34321, 39224, 68642, 137284, 274568, 348113, 696226, 1392452, 2436791, 2784904, 4873582, 9747164, 19494328]

約数ペア:

[(1, 19494328), (2, 9747164), (4, 4873582), (7, 2784904), (8, 2436791), (14, 1392452), (28, 696226), (56, 348113), (71, 274568), (142, 137284), (284, 68642), (497, 39224), (568, 34321), (994, 19612), (1988, 9806), (3976, 4903)]