19939851

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 30843904

約数和(自身を除く): 10904053

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2647, 7533, 7941, 23823, 71469, 82057, 214407, 246171, 643221, 738513, 2215539, 6646617, 19939851]

約数ペア:

[(1, 19939851), (3, 6646617), (9, 2215539), (27, 738513), (31, 643221), (81, 246171), (93, 214407), (243, 82057), (279, 71469), (837, 23823), (2511, 7941), (2647, 7533)]