19309424

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2371}}^1$

素因数の和:2888

約数の個数: 20

約数和(自身を含む): 37501320

約数和(自身を除く): 18191896

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2371, 4072, 4742, 8144, 9484, 18968, 37936, 1206839, 2413678, 4827356, 9654712, 19309424]

約数ペア:

[(1, 19309424), (2, 9654712), (4, 4827356), (8, 2413678), (16, 1206839), (509, 37936), (1018, 18968), (2036, 9484), (2371, 8144), (4072, 4742)]