18859668

素因数分解:

$2^2\times 3^1\times {\mathrm{787}}^1\times {\mathrm{1997}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 44083872

約数和(自身を除く): 25224204

約数列:

[1, 2, 3, 4, 6, 12, 787, 1574, 1997, 2361, 3148, 3994, 4722, 5991, 7988, 9444, 11982, 23964, 1571639, 3143278, 4714917, 6286556, 9429834, 18859668]

約数ペア:

[(1, 18859668), (2, 9429834), (3, 6286556), (4, 4714917), (6, 3143278), (12, 1571639), (787, 23964), (1574, 11982), (1997, 9444), (2361, 7988), (3148, 5991), (3994, 4722)]