19749688

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3121}}^1$

素因数の和:3247

約数の個数: 32

約数和(自身を含む): 42708960

約数和(自身を除く): 22959272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3121, 3164, 6242, 6328, 12484, 21847, 24968, 43694, 87388, 174776, 352673, 705346, 1410692, 2468711, 2821384, 4937422, 9874844, 19749688]

約数ペア:

[(1, 19749688), (2, 9874844), (4, 4937422), (7, 2821384), (8, 2468711), (14, 1410692), (28, 705346), (56, 352673), (113, 174776), (226, 87388), (452, 43694), (791, 24968), (904, 21847), (1582, 12484), (3121, 6328), (3164, 6242)]