19560387

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 34659072

約数和(自身を除く): 15098685

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 289, 293, 357, 561, 867, 879, 1309, 2023, 2051, 3179, 3223, 3927, 4981, 6069, 6153, 9537, 9669, 14943, 22253, 22561, 34867, 54791, 66759, 67683, 84677, 104601, 164373, 254031, 383537, 592739, 931447, 1150611, 1778217, 2794341, 6520129, 19560387]

約数ペア:

[(1, 19560387), (3, 6520129), (7, 2794341), (11, 1778217), (17, 1150611), (21, 931447), (33, 592739), (51, 383537), (77, 254031), (119, 164373), (187, 104601), (231, 84677), (289, 67683), (293, 66759), (357, 54791), (561, 34867), (867, 22561), (879, 22253), (1309, 14943), (2023, 9669), (2051, 9537), (3179, 6153), (3223, 6069), (3927, 4981)]