18243988

素因数分解:

$2^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{919}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 36579200

約数和(自身を除く): 18335212

約数列:

[1, 2, 4, 7, 14, 28, 709, 919, 1418, 1838, 2836, 3676, 4963, 6433, 9926, 12866, 19852, 25732, 651571, 1303142, 2606284, 4560997, 9121994, 18243988]

約数ペア:

[(1, 18243988), (2, 9121994), (4, 4560997), (7, 2606284), (14, 1303142), (28, 651571), (709, 25732), (919, 19852), (1418, 12866), (1838, 9926), (2836, 6433), (3676, 4963)]