19858581

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15649}}^1$

素因数の和:15705

約数の個数: 16

約数和(自身を含む): 30048000

約数和(自身を除く): 10189419

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15649, 46947, 140841, 422523, 735503, 2206509, 6619527, 19858581]

約数ペア:

[(1, 19858581), (3, 6619527), (9, 2206509), (27, 735503), (47, 422523), (141, 140841), (423, 46947), (1269, 15649)]