19142440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20807}}^1$

素因数の和:20841

約数の個数: 32

約数和(自身を含む): 44945280

約数和(自身を除く): 25802840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20807, 41614, 83228, 104035, 166456, 208070, 416140, 478561, 832280, 957122, 1914244, 2392805, 3828488, 4785610, 9571220, 19142440]

約数ペア:

[(1, 19142440), (2, 9571220), (4, 4785610), (5, 3828488), (8, 2392805), (10, 1914244), (20, 957122), (23, 832280), (40, 478561), (46, 416140), (92, 208070), (115, 166456), (184, 104035), (230, 83228), (460, 41614), (920, 20807)]