19522975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 26605440

約数和(自身を除く): 7082465

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 1787, 2185, 8935, 10925, 33953, 41101, 44675, 169765, 205505, 780919, 848825, 1027525, 3904595, 19522975]

約数ペア:

[(1, 19522975), (5, 3904595), (19, 1027525), (23, 848825), (25, 780919), (95, 205505), (115, 169765), (437, 44675), (475, 41101), (575, 33953), (1787, 10925), (2185, 8935)]