18813296

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16561}}^1$

素因数の和:16640

約数の個数: 20

約数和(自身を含む): 36966384

約数和(自身を除く): 18153088

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16561, 33122, 66244, 132488, 264976, 1175831, 2351662, 4703324, 9406648, 18813296]

約数ペア:

[(1, 18813296), (2, 9406648), (4, 4703324), (8, 2351662), (16, 1175831), (71, 264976), (142, 132488), (284, 66244), (568, 33122), (1136, 16561)]