18883018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 17429174

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 121, 142, 154, 157, 242, 314, 497, 781, 847, 994, 1099, 1562, 1694, 1727, 2198, 3454, 5467, 8591, 10934, 11147, 12089, 17182, 18997, 22294, 24178, 37994, 60137, 78029, 120274, 122617, 132979, 156058, 245234, 265958, 858319, 1348787, 1716638, 2697574, 9441509, 18883018]

約数ペア:

[(1, 18883018), (2, 9441509), (7, 2697574), (11, 1716638), (14, 1348787), (22, 858319), (71, 265958), (77, 245234), (121, 156058), (142, 132979), (154, 122617), (157, 120274), (242, 78029), (314, 60137), (497, 37994), (781, 24178), (847, 22294), (994, 18997), (1099, 17182), (1562, 12089), (1694, 11147), (1727, 10934), (2198, 8591), (3454, 5467)]