19154289

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 32062464

約数和(自身を除く): 12908175

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 283, 293, 849, 879, 1981, 2051, 3113, 3223, 5943, 6153, 9339, 9669, 21791, 22561, 65373, 67683, 82919, 248757, 580433, 912109, 1741299, 2736327, 6384763, 19154289]

約数ペア:

[(1, 19154289), (3, 6384763), (7, 2736327), (11, 1741299), (21, 912109), (33, 580433), (77, 248757), (231, 82919), (283, 67683), (293, 65373), (849, 22561), (879, 21791), (1981, 9669), (2051, 9339), (3113, 6153), (3223, 5943)]