19128891

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:3002

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 7579077

約数列:

[1, 3, 31, 71, 93, 213, 2201, 2897, 6603, 8691, 89807, 205687, 269421, 617061, 6376297, 19128891]

約数ペア:

[(1, 19128891), (3, 6376297), (31, 617061), (71, 269421), (93, 205687), (213, 89807), (2201, 8691), (2897, 6603)]