18807560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20443}}^1$

素因数の和:20477

約数の個数: 32

約数和(自身を含む): 44159040

約数和(自身を除く): 25351480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20443, 40886, 81772, 102215, 163544, 204430, 408860, 470189, 817720, 940378, 1880756, 2350945, 3761512, 4701890, 9403780, 18807560]

約数ペア:

[(1, 18807560), (2, 9403780), (4, 4701890), (5, 3761512), (8, 2350945), (10, 1880756), (20, 940378), (23, 817720), (40, 470189), (46, 408860), (92, 204430), (115, 163544), (184, 102215), (230, 81772), (460, 40886), (920, 20443)]