19493425

素因数分解:

$5^2\times 7^2\times {\mathrm{15913}}^1$

素因数の和:15937

約数の個数: 18

約数和(自身を含む): 28120038

約数和(自身を除く): 8626613

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 15913, 79565, 111391, 397825, 556955, 779737, 2784775, 3898685, 19493425]

約数ペア:

[(1, 19493425), (5, 3898685), (7, 2784775), (25, 779737), (35, 556955), (49, 397825), (175, 111391), (245, 79565), (1225, 15913)]