19990310

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32771}}^1$

素因数の和:32839

約数の個数: 16

約数和(自身を含む): 36573552

約数和(自身を除く): 16583242

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32771, 65542, 163855, 327710, 1999031, 3998062, 9995155, 19990310]

約数ペア:

[(1, 19990310), (2, 9995155), (5, 3998062), (10, 1999031), (61, 327710), (122, 163855), (305, 65542), (610, 32771)]