18821192

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{13921}}^1$

素因数の和:13953

約数の個数: 24

約数和(自身を含む): 38215890

約数和(自身を除く): 19394698

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 13921, 27842, 55684, 111368, 180973, 361946, 723892, 1447784, 2352649, 4705298, 9410596, 18821192]

約数ペア:

[(1, 18821192), (2, 9410596), (4, 4705298), (8, 2352649), (13, 1447784), (26, 723892), (52, 361946), (104, 180973), (169, 111368), (338, 55684), (676, 27842), (1352, 13921)]