19089140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136351}}^1$

素因数の和:136367

約数の個数: 24

約数和(自身を含む): 45814272

約数和(自身を除く): 26725132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136351, 272702, 545404, 681755, 954457, 1363510, 1908914, 2727020, 3817828, 4772285, 9544570, 19089140]

約数ペア:

[(1, 19089140), (2, 9544570), (4, 4772285), (5, 3817828), (7, 2727020), (10, 1908914), (14, 1363510), (20, 954457), (28, 681755), (35, 545404), (70, 272702), (140, 136351)]