18914630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270209}}^1$

素因数の和:270223

約数の個数: 16

約数和(自身を含む): 38910240

約数和(自身を除く): 19995610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270209, 540418, 1351045, 1891463, 2702090, 3782926, 9457315, 18914630]

約数ペア:

[(1, 18914630), (2, 9457315), (5, 3782926), (7, 2702090), (10, 1891463), (14, 1351045), (35, 540418), (70, 270209)]