19634860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140249}}^1$

素因数の和:140265

約数の個数: 24

約数和(自身を含む): 47124000

約数和(自身を除く): 27489140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140249, 280498, 560996, 701245, 981743, 1402490, 1963486, 2804980, 3926972, 4908715, 9817430, 19634860]

約数ペア:

[(1, 19634860), (2, 9817430), (4, 4908715), (5, 3926972), (7, 2804980), (10, 1963486), (14, 1402490), (20, 981743), (28, 701245), (35, 560996), (70, 280498), (140, 140249)]