19982140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58771}}^1$

素因数の和:58797

約数の個数: 24

約数和(自身を含む): 44431632

約数和(自身を除く): 24449492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58771, 117542, 235084, 293855, 587710, 999107, 1175420, 1998214, 3996428, 4995535, 9991070, 19982140]

約数ペア:

[(1, 19982140), (2, 9991070), (4, 4995535), (5, 3996428), (10, 1998214), (17, 1175420), (20, 999107), (34, 587710), (68, 293855), (85, 235084), (170, 117542), (340, 58771)]