19859756

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15091}}^1$

素因数の和:15149

約数の個数: 24

約数和(自身を含む): 40567296

約数和(自身を除く): 20707540

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15091, 30182, 60364, 105637, 211274, 422548, 709277, 1418554, 2837108, 4964939, 9929878, 19859756]

約数ペア:

[(1, 19859756), (2, 9929878), (4, 4964939), (7, 2837108), (14, 1418554), (28, 709277), (47, 422548), (94, 211274), (188, 105637), (329, 60364), (658, 30182), (1316, 15091)]