19427434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2141}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 31487400

約数和(自身を除く): 12059966

約数列:

[1, 2, 13, 26, 349, 698, 2141, 4282, 4537, 9074, 27833, 55666, 747209, 1494418, 9713717, 19427434]

約数ペア:

[(1, 19427434), (2, 9713717), (13, 1494418), (26, 747209), (349, 55666), (698, 27833), (2141, 9074), (4282, 4537)]