19856788

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3361}}^1$

素因数の和:3583

約数の個数: 24

約数和(自身を含む): 39913664

約数和(自身を除く): 20056876

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 3361, 5908, 6722, 13444, 23527, 47054, 94108, 709171, 1418342, 2836684, 4964197, 9928394, 19856788]

約数ペア:

[(1, 19856788), (2, 9928394), (4, 4964197), (7, 2836684), (14, 1418342), (28, 709171), (211, 94108), (422, 47054), (844, 23527), (1477, 13444), (2954, 6722), (3361, 5908)]