19489509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 30538872

約数和(自身を除く): 11049363

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1061, 1413, 2041, 3183, 6123, 9549, 13793, 18369, 41379, 124137, 166577, 499731, 1499193, 2165501, 6496503, 19489509]

約数ペア:

[(1, 19489509), (3, 6496503), (9, 2165501), (13, 1499193), (39, 499731), (117, 166577), (157, 124137), (471, 41379), (1061, 18369), (1413, 13793), (2041, 9549), (3183, 6123)]