18889976

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4751}}^1$

素因数の和:4835

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 22167304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4751, 9502, 19004, 33257, 38008, 66514, 133028, 266056, 337321, 674642, 1349284, 2361247, 2698568, 4722494, 9444988, 18889976]

約数ペア:

[(1, 18889976), (2, 9444988), (4, 4722494), (7, 2698568), (8, 2361247), (14, 1349284), (28, 674642), (56, 337321), (71, 266056), (142, 133028), (284, 66514), (497, 38008), (568, 33257), (994, 19004), (1988, 9502), (3976, 4751)]