19489293

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 30650880

約数和(自身を除く): 11161587

約数列:

[1, 3, 9, 17, 51, 59, 127, 153, 177, 289, 381, 531, 867, 1003, 1143, 2159, 2601, 3009, 6477, 7493, 9027, 17051, 19431, 22479, 36703, 51153, 67437, 110109, 127381, 153459, 330327, 382143, 1146429, 2165477, 6496431, 19489293]

約数ペア:

[(1, 19489293), (3, 6496431), (9, 2165477), (17, 1146429), (51, 382143), (59, 330327), (127, 153459), (153, 127381), (177, 110109), (289, 67437), (381, 51153), (531, 36703), (867, 22479), (1003, 19431), (1143, 17051), (2159, 9027), (2601, 7493), (3009, 6477)]