19180539

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17909}}^1$

素因数の和:17939

約数の個数: 24

約数和(自身を含む): 33527520

約数和(自身を除く): 14346981

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17909, 53727, 125363, 161181, 304453, 376089, 913359, 1128267, 2131171, 2740077, 6393513, 19180539]

約数ペア:

[(1, 19180539), (3, 6393513), (7, 2740077), (9, 2131171), (17, 1128267), (21, 913359), (51, 376089), (63, 304453), (119, 161181), (153, 125363), (357, 53727), (1071, 17909)]