18945262

素因数分解:

$2^1\times 7^3\times {\mathrm{27617}}^1$

素因数の和:27640

約数の個数: 16

約数和(自身を含む): 33141600

約数和(自身を除く): 14196338

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 27617, 55234, 193319, 386638, 1353233, 2706466, 9472631, 18945262]

約数ペア:

[(1, 18945262), (2, 9472631), (7, 2706466), (14, 1353233), (49, 386638), (98, 193319), (343, 55234), (686, 27617)]