19408509

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2699}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 10917891

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2699, 7191, 8097, 24291, 45883, 126853, 137649, 380559, 412947, 1141677, 2156501, 6469503, 19408509]

約数ペア:

[(1, 19408509), (3, 6469503), (9, 2156501), (17, 1141677), (47, 412947), (51, 380559), (141, 137649), (153, 126853), (423, 45883), (799, 24291), (2397, 8097), (2699, 7191)]