19906630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22367}}^1$

素因数の和:22463

約数の個数: 16

約数和(自身を含む): 36236160

約数和(自身を除く): 16329530

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22367, 44734, 111835, 223670, 1990663, 3981326, 9953315, 19906630]

約数ペア:

[(1, 19906630), (2, 9953315), (5, 3981326), (10, 1990663), (89, 223670), (178, 111835), (445, 44734), (890, 22367)]