18728090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39847}}^1$

素因数の和:39901

約数の個数: 16

約数和(自身を含む): 34428672

約数和(自身を除く): 15700582

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 39847, 79694, 199235, 398470, 1872809, 3745618, 9364045, 18728090]

約数ペア:

[(1, 18728090), (2, 9364045), (5, 3745618), (10, 1872809), (47, 398470), (94, 199235), (235, 79694), (470, 39847)]