18280654

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 32472576

約数和(自身を除く): 14191922

約数列:

[1, 2, 7, 14, 53, 71, 106, 142, 347, 371, 497, 694, 742, 994, 2429, 3763, 4858, 7526, 18391, 24637, 26341, 36782, 49274, 52682, 128737, 172459, 257474, 344918, 1305761, 2611522, 9140327, 18280654]

約数ペア:

[(1, 18280654), (2, 9140327), (7, 2611522), (14, 1305761), (53, 344918), (71, 257474), (106, 172459), (142, 128737), (347, 52682), (371, 49274), (497, 36782), (694, 26341), (742, 24637), (994, 18391), (2429, 7526), (3763, 4858)]