19708556

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6229}}^1$

素因数の和:6353

約数の個数: 24

約数和(自身を含む): 39772320

約数和(自身を除く): 20063764

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6229, 12458, 24916, 43603, 87206, 174412, 703877, 1407754, 2815508, 4927139, 9854278, 19708556]

約数ペア:

[(1, 19708556), (2, 9854278), (4, 4927139), (7, 2815508), (14, 1407754), (28, 703877), (113, 174412), (226, 87206), (452, 43603), (791, 24916), (1582, 12458), (3164, 6229)]