18526851

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 31886712

約数和(自身を除く): 13359861

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 977, 2107, 2709, 2931, 6321, 6839, 8793, 18963, 20517, 42011, 47873, 61551, 126033, 143619, 294077, 378099, 430857, 882231, 2058539, 2646693, 6175617, 18526851]

約数ペア:

[(1, 18526851), (3, 6175617), (7, 2646693), (9, 2058539), (21, 882231), (43, 430857), (49, 378099), (63, 294077), (129, 143619), (147, 126033), (301, 61551), (387, 47873), (441, 42011), (903, 20517), (977, 18963), (2107, 8793), (2709, 6839), (2931, 6321)]