17927216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 40

約数和(自身を含む): 36140544

約数和(自身を除く): 18213328

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 367, 568, 688, 734, 1136, 1468, 2936, 3053, 5872, 6106, 12212, 15781, 24424, 26057, 31562, 48848, 52114, 63124, 104228, 126248, 208456, 252496, 416912, 1120451, 2240902, 4481804, 8963608, 17927216]

約数ペア:

[(1, 17927216), (2, 8963608), (4, 4481804), (8, 2240902), (16, 1120451), (43, 416912), (71, 252496), (86, 208456), (142, 126248), (172, 104228), (284, 63124), (344, 52114), (367, 48848), (568, 31562), (688, 26057), (734, 24424), (1136, 15781), (1468, 12212), (2936, 6106), (3053, 5872)]