18979330

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4733}}^1$

素因数の和:5141

約数の個数: 16

約数和(自身を含む): 34255224

約数和(自身を除く): 15275894

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4733, 9466, 23665, 47330, 1897933, 3795866, 9489665, 18979330]

約数ペア:

[(1, 18979330), (2, 9489665), (5, 3795866), (10, 1897933), (401, 47330), (802, 23665), (2005, 9466), (4010, 4733)]