19359891

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{523}}^1$

素因数の和:992

約数の個数: 20

約数和(自身を含む): 29039032

約数和(自身を除く): 9679141

約数列:

[1, 3, 9, 27, 81, 457, 523, 1371, 1569, 4113, 4707, 12339, 14121, 37017, 42363, 239011, 717033, 2151099, 6453297, 19359891]

約数ペア:

[(1, 19359891), (3, 6453297), (9, 2151099), (27, 717033), (81, 239011), (457, 42363), (523, 37017), (1371, 14121), (1569, 12339), (4113, 4707)]