18780412

素因数分解:

$2^2\times 7^1\times {\mathrm{670729}}^1$

素因数の和:670740

約数の個数: 12

約数和(自身を含む): 37560880

約数和(自身を除く): 18780468

約数列:

[1, 2, 4, 7, 14, 28, 670729, 1341458, 2682916, 4695103, 9390206, 18780412]

約数ペア:

[(1, 18780412), (2, 9390206), (4, 4695103), (7, 2682916), (14, 1341458), (28, 670729)]