19447389

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{463}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 10953891

約数列:

[1, 3, 9, 13, 39, 117, 359, 463, 1077, 1389, 3231, 4167, 4667, 6019, 14001, 18057, 42003, 54171, 166217, 498651, 1495953, 2160821, 6482463, 19447389]

約数ペア:

[(1, 19447389), (3, 6482463), (9, 2160821), (13, 1495953), (39, 498651), (117, 166217), (359, 54171), (463, 42003), (1077, 18057), (1389, 14001), (3231, 6019), (4167, 4667)]