19545681

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 27649024

約数和(自身を除く): 8103343

約数列:

[1, 3, 29, 61, 87, 127, 183, 381, 841, 1769, 2523, 3683, 5307, 7747, 11049, 23241, 51301, 106807, 153903, 224663, 320421, 673989, 6515227, 19545681]

約数ペア:

[(1, 19545681), (3, 6515227), (29, 673989), (61, 320421), (87, 224663), (127, 153903), (183, 106807), (381, 51301), (841, 23241), (1769, 11049), (2523, 7747), (3683, 5307)]