19798017

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{919}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 27202560

約数和(自身を除く): 7404543

約数列:

[1, 3, 43, 129, 167, 501, 919, 2757, 7181, 21543, 39517, 118551, 153473, 460419, 6599339, 19798017]

約数ペア:

[(1, 19798017), (3, 6599339), (43, 460419), (129, 153473), (167, 118551), (501, 39517), (919, 21543), (2757, 7181)]