18129488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 38726688

約数和(自身を除く): 20597200

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2027, 2236, 4054, 4472, 8108, 8944, 16216, 26351, 32432, 52702, 87161, 105404, 174322, 210808, 348644, 421616, 697288, 1133093, 1394576, 2266186, 4532372, 9064744, 18129488]

約数ペア:

[(1, 18129488), (2, 9064744), (4, 4532372), (8, 2266186), (13, 1394576), (16, 1133093), (26, 697288), (43, 421616), (52, 348644), (86, 210808), (104, 174322), (172, 105404), (208, 87161), (344, 52702), (559, 32432), (688, 26351), (1118, 16216), (2027, 8944), (2236, 8108), (4054, 4472)]