19982992

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14033}}^1$

素因数の和:14130

約数の個数: 20

約数和(自身を含む): 39154860

約数和(自身を除く): 19171868

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14033, 28066, 56132, 112264, 224528, 1248937, 2497874, 4995748, 9991496, 19982992]

約数ペア:

[(1, 19982992), (2, 9991496), (4, 4995748), (8, 2497874), (16, 1248937), (89, 224528), (178, 112264), (356, 56132), (712, 28066), (1424, 14033)]