19028415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{25889}}^1$

素因数の和:25911

約数の個数: 24

約数和(自身を含む): 35417520

約数和(自身を除く): 16389105

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 25889, 77667, 129445, 181223, 388335, 543669, 906115, 1268561, 2718345, 3805683, 6342805, 19028415]

約数ペア:

[(1, 19028415), (3, 6342805), (5, 3805683), (7, 2718345), (15, 1268561), (21, 906115), (35, 543669), (49, 388335), (105, 181223), (147, 129445), (245, 77667), (735, 25889)]