19158860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136849}}^1$

素因数の和:136865

約数の個数: 24

約数和(自身を含む): 45981600

約数和(自身を除く): 26822740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136849, 273698, 547396, 684245, 957943, 1368490, 1915886, 2736980, 3831772, 4789715, 9579430, 19158860]

約数ペア:

[(1, 19158860), (2, 9579430), (4, 4789715), (5, 3831772), (7, 2736980), (10, 1915886), (14, 1368490), (20, 957943), (28, 684245), (35, 547396), (70, 273698), (140, 136849)]