19803027

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 28094976

約数和(自身を除く): 8291949

約数列:

[1, 3, 29, 47, 87, 141, 167, 501, 841, 1363, 2523, 4089, 4843, 7849, 14529, 23547, 39527, 118581, 140447, 227621, 421341, 682863, 6601009, 19803027]

約数ペア:

[(1, 19803027), (3, 6601009), (29, 682863), (47, 421341), (87, 227621), (141, 140447), (167, 118581), (501, 39527), (841, 23547), (1363, 14529), (2523, 7849), (4089, 4843)]