18730201

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 20

約数和(自身を含む): 22688100

約数和(自身を除く): 3957899

約数列:

[1, 7, 29, 49, 203, 269, 343, 1421, 1883, 2401, 7801, 9947, 13181, 54607, 69629, 92267, 382249, 645869, 2675743, 18730201]

約数ペア:

[(1, 18730201), (7, 2675743), (29, 645869), (49, 382249), (203, 92267), (269, 69629), (343, 54607), (1421, 13181), (1883, 9947), (2401, 7801)]