19468825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 26917920

約数和(自身を除く): 7449095

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2411, 8075, 12055, 40987, 45809, 60275, 204935, 229045, 778753, 1024675, 1145225, 3893765, 19468825]

約数ペア:

[(1, 19468825), (5, 3893765), (17, 1145225), (19, 1024675), (25, 778753), (85, 229045), (95, 204935), (323, 60275), (425, 45809), (475, 40987), (1615, 12055), (2411, 8075)]