19990322474

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{516199}}^1$

素因数の和:516302

約数の個数: 24

約数和(自身を含む): 32328573600

約数和(自身を除く): 12338251126

約数列:

[1, 2, 17, 34, 67, 134, 289, 578, 1139, 2278, 19363, 38726, 516199, 1032398, 8775383, 17550766, 34585333, 69170666, 149181511, 298363022, 587950661, 1175901322, 9995161237, 19990322474]

約数ペア:

[(1, 19990322474), (2, 9995161237), (17, 1175901322), (34, 587950661), (67, 298363022), (134, 149181511), (289, 69170666), (578, 34585333), (1139, 17550766), (2278, 8775383), (19363, 1032398), (38726, 516199)]