18338131

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 21611520

約数和(自身を除く): 3273389

約数列:

[1, 7, 47, 139, 329, 401, 973, 2807, 6533, 18847, 45731, 55739, 131929, 390173, 2619733, 18338131]

約数ペア:

[(1, 18338131), (7, 2619733), (47, 390173), (139, 131929), (329, 55739), (401, 45731), (973, 18847), (2807, 6533)]