19138567

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 23889840

約数和(自身を除く): 4751273

約数列:

[1, 7, 19, 49, 61, 133, 337, 427, 931, 1159, 2359, 2989, 6403, 8113, 16513, 20557, 44821, 56791, 143899, 313747, 390583, 1007293, 2734081, 19138567]

約数ペア:

[(1, 19138567), (7, 2734081), (19, 1007293), (49, 390583), (61, 313747), (133, 143899), (337, 56791), (427, 44821), (931, 20557), (1159, 16513), (2359, 8113), (2989, 6403)]