19617584

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2553

約数の個数: 40

約数和(自身を含む): 44068608

約数和(自身を除く): 24451024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2467, 3976, 4934, 7952, 9868, 17269, 19736, 34538, 39472, 69076, 138152, 175157, 276304, 350314, 700628, 1226099, 1401256, 2452198, 2802512, 4904396, 9808792, 19617584]

約数ペア:

[(1, 19617584), (2, 9808792), (4, 4904396), (7, 2802512), (8, 2452198), (14, 1401256), (16, 1226099), (28, 700628), (56, 350314), (71, 276304), (112, 175157), (142, 138152), (284, 69076), (497, 39472), (568, 34538), (994, 19736), (1136, 17269), (1988, 9868), (2467, 7952), (3976, 4934)]