18840728

素因数分解:

$2^3\times {\mathrm{569}}^1\times {\mathrm{4139}}^1$

素因数の和:4714

約数の個数: 16

約数和(自身を含む): 35397000

約数和(自身を除く): 16556272

約数列:

[1, 2, 4, 8, 569, 1138, 2276, 4139, 4552, 8278, 16556, 33112, 2355091, 4710182, 9420364, 18840728]

約数ペア:

[(1, 18840728), (2, 9420364), (4, 4710182), (8, 2355091), (569, 33112), (1138, 16556), (2276, 8278), (4139, 4552)]