19621276

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 35441280

約数和(自身を除く): 15820004

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1171, 2342, 4189, 4684, 8378, 16756, 69089, 83141, 138178, 166282, 276356, 332564, 4905319, 9810638, 19621276]

約数ペア:

[(1, 19621276), (2, 9810638), (4, 4905319), (59, 332564), (71, 276356), (118, 166282), (142, 138178), (236, 83141), (284, 69089), (1171, 16756), (2342, 8378), (4189, 4684)]