19710061

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 3514259

約数列:

[1, 7, 47, 139, 329, 431, 973, 3017, 6533, 20257, 45731, 59909, 141799, 419363, 2815723, 19710061]

約数ペア:

[(1, 19710061), (7, 2815723), (47, 419363), (139, 141799), (329, 59909), (431, 45731), (973, 20257), (3017, 6533)]