19451560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21143}}^1$

素因数の和:21177

約数の個数: 32

約数和(自身を含む): 45671040

約数和(自身を除く): 26219480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21143, 42286, 84572, 105715, 169144, 211430, 422860, 486289, 845720, 972578, 1945156, 2431445, 3890312, 4862890, 9725780, 19451560]

約数ペア:

[(1, 19451560), (2, 9725780), (4, 4862890), (5, 3890312), (8, 2431445), (10, 1945156), (20, 972578), (23, 845720), (40, 486289), (46, 422860), (92, 211430), (115, 169144), (184, 105715), (230, 84572), (460, 42286), (920, 21143)]