19958902856

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80479447}}^1$

素因数の和:80479484

約数の個数: 16

約数和(自身を含む): 38630135040

約数和(自身を除く): 18671232184

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80479447, 160958894, 321917788, 643835576, 2494862857, 4989725714, 9979451428, 19958902856]

約数ペア:

[(1, 19958902856), (2, 9979451428), (4, 4989725714), (8, 2494862857), (31, 643835576), (62, 321917788), (124, 160958894), (248, 80479447)]