19701507

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19961}}^1$

素因数の和:20018

約数の個数: 16

約数和(自身を含む): 30661632

約数和(自身を除く): 10960125

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19961, 59883, 139727, 419181, 938167, 2814501, 6567169, 19701507]

約数ペア:

[(1, 19701507), (3, 6567169), (7, 2814501), (21, 938167), (47, 419181), (141, 139727), (329, 59883), (987, 19961)]