19984412

素因数分解:

$2^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1093}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 40066656

約数和(自身を除く): 20082244

約数列:

[1, 2, 4, 7, 14, 28, 653, 1093, 1306, 2186, 2612, 4372, 4571, 7651, 9142, 15302, 18284, 30604, 713729, 1427458, 2854916, 4996103, 9992206, 19984412]

約数ペア:

[(1, 19984412), (2, 9992206), (4, 4996103), (7, 2854916), (14, 1427458), (28, 713729), (653, 30604), (1093, 18284), (1306, 15302), (2186, 9142), (2612, 7651), (4372, 4571)]