19945701

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 29966040

約数和(自身を除く): 10020339

約数列:

[1, 3, 9, 37, 89, 111, 267, 333, 673, 801, 2019, 3293, 6057, 9879, 24901, 29637, 59897, 74703, 179691, 224109, 539073, 2216189, 6648567, 19945701]

約数ペア:

[(1, 19945701), (3, 6648567), (9, 2216189), (37, 539073), (89, 224109), (111, 179691), (267, 74703), (333, 59897), (673, 29637), (801, 24901), (2019, 9879), (3293, 6057)]