19077980

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2203}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 40174512

約数和(自身を除く): 21096532

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2203, 4330, 4406, 8660, 8812, 11015, 22030, 44060, 953899, 1907798, 3815596, 4769495, 9538990, 19077980]

約数ペア:

[(1, 19077980), (2, 9538990), (4, 4769495), (5, 3815596), (10, 1907798), (20, 953899), (433, 44060), (866, 22030), (1732, 11015), (2165, 8812), (2203, 8660), (4330, 4406)]