19858288

素因数分解:

$2^4\times {\mathrm{547}}^1\times {\mathrm{2269}}^1$

素因数の和:2824

約数の個数: 20

約数和(自身を含む): 38562760

約数和(自身を除く): 18704472

約数列:

[1, 2, 4, 8, 16, 547, 1094, 2188, 2269, 4376, 4538, 8752, 9076, 18152, 36304, 1241143, 2482286, 4964572, 9929144, 19858288]

約数ペア:

[(1, 19858288), (2, 9929144), (4, 4964572), (8, 2482286), (16, 1241143), (547, 36304), (1094, 18152), (2188, 9076), (2269, 8752), (4376, 4538)]