19710824

素因数分解:

$2^3\times 7^1\times {\mathrm{523}}^1\times {\mathrm{673}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 42381120

約数和(自身を除く): 22670296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 523, 673, 1046, 1346, 2092, 2692, 3661, 4184, 4711, 5384, 7322, 9422, 14644, 18844, 29288, 37688, 351979, 703958, 1407916, 2463853, 2815832, 4927706, 9855412, 19710824]

約数ペア:

[(1, 19710824), (2, 9855412), (4, 4927706), (7, 2815832), (8, 2463853), (14, 1407916), (28, 703958), (56, 351979), (523, 37688), (673, 29288), (1046, 18844), (1346, 14644), (2092, 9422), (2692, 7322), (3661, 5384), (4184, 4711)]