19719080

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{823}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 44496000

約数和(自身を除く): 24776920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 823, 1198, 1646, 2396, 2995, 3292, 4115, 4792, 5990, 6584, 8230, 11980, 16460, 23960, 32920, 492977, 985954, 1971908, 2464885, 3943816, 4929770, 9859540, 19719080]

約数ペア:

[(1, 19719080), (2, 9859540), (4, 4929770), (5, 3943816), (8, 2464885), (10, 1971908), (20, 985954), (40, 492977), (599, 32920), (823, 23960), (1198, 16460), (1646, 11980), (2396, 8230), (2995, 6584), (3292, 5990), (4115, 4792)]