19989214

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4591}}^1$

素因数の和:4911

約数の個数: 16

約数和(自身を含む): 34384896

約数和(自身を除く): 14395682

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 4591, 9182, 32137, 64274, 1427801, 2855602, 9994607, 19989214]

約数ペア:

[(1, 19989214), (2, 9994607), (7, 2855602), (14, 1427801), (311, 64274), (622, 32137), (2177, 9182), (4354, 4591)]