18806896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69143}}^1$

素因数の和:69168

約数の個数: 20

約数和(自身を含む): 38582352

約数和(自身を除く): 19775456

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69143, 138286, 276572, 553144, 1106288, 1175431, 2350862, 4701724, 9403448, 18806896]

約数ペア:

[(1, 18806896), (2, 9403448), (4, 4701724), (8, 2350862), (16, 1175431), (17, 1106288), (34, 553144), (68, 276572), (136, 138286), (272, 69143)]