19129675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 27855360

約数和(自身を除く): 8725685

約数列:

[1, 5, 17, 19, 23, 25, 85, 95, 103, 115, 323, 391, 425, 437, 475, 515, 575, 1615, 1751, 1955, 1957, 2185, 2369, 2575, 7429, 8075, 8755, 9775, 9785, 10925, 11845, 33269, 37145, 40273, 43775, 45011, 48925, 59225, 166345, 185725, 201365, 225055, 765187, 831725, 1006825, 1125275, 3825935, 19129675]

約数ペア:

[(1, 19129675), (5, 3825935), (17, 1125275), (19, 1006825), (23, 831725), (25, 765187), (85, 225055), (95, 201365), (103, 185725), (115, 166345), (323, 59225), (391, 48925), (425, 45011), (437, 43775), (475, 40273), (515, 37145), (575, 33269), (1615, 11845), (1751, 10925), (1955, 9785), (1957, 9775), (2185, 8755), (2369, 8075), (2575, 7429)]