2021808658

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{65123}}^1$

素因数の和:65206

約数の個数: 24

約数和(自身を含む): 3275216208

約数和(自身を除く): 1253407550

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1634, 15523, 31046, 65123, 130246, 1237337, 2474674, 2800289, 5600578, 23509403, 47018806, 53205491, 106410982, 1010904329, 2021808658]

約数ペア:

[(1, 2021808658), (2, 1010904329), (19, 106410982), (38, 53205491), (43, 47018806), (86, 23509403), (361, 5600578), (722, 2800289), (817, 2474674), (1634, 1237337), (15523, 130246), (31046, 65123)]