19775391

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 27148800

約数和(自身を除く): 7373409

約数列:

[1, 3, 47, 139, 141, 417, 1009, 3027, 6533, 19599, 47423, 140251, 142269, 420753, 6591797, 19775391]

約数ペア:

[(1, 19775391), (3, 6591797), (47, 420753), (139, 142269), (141, 140251), (417, 47423), (1009, 19599), (3027, 6533)]