17920588

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27827}}^1$

素因数の和:27861

約数の個数: 24

約数和(自身を含む): 37400832

約数和(自身を除く): 19480244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 27827, 55654, 111308, 194789, 389578, 640021, 779156, 1280042, 2560084, 4480147, 8960294, 17920588]

約数ペア:

[(1, 17920588), (2, 8960294), (4, 4480147), (7, 2560084), (14, 1280042), (23, 779156), (28, 640021), (46, 389578), (92, 194789), (161, 111308), (322, 55654), (644, 27827)]