19594071

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 33250152

約数和(自身を除く): 13656081

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 283, 441, 471, 849, 1099, 1413, 1981, 2547, 3297, 5943, 7693, 9891, 13867, 17829, 23079, 41601, 44431, 69237, 124803, 133293, 311017, 399879, 933051, 2177119, 2799153, 6531357, 19594071]

約数ペア:

[(1, 19594071), (3, 6531357), (7, 2799153), (9, 2177119), (21, 933051), (49, 399879), (63, 311017), (147, 133293), (157, 124803), (283, 69237), (441, 44431), (471, 41601), (849, 23079), (1099, 17829), (1413, 13867), (1981, 9891), (2547, 7693), (3297, 5943)]