19657071

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{613}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 32566560

約数和(自身を除く): 12909489

約数列:

[1, 3, 7, 9, 21, 63, 509, 613, 1527, 1839, 3563, 4291, 4581, 5517, 10689, 12873, 32067, 38619, 312017, 936051, 2184119, 2808153, 6552357, 19657071]

約数ペア:

[(1, 19657071), (3, 6552357), (7, 2808153), (9, 2184119), (21, 936051), (63, 312017), (509, 38619), (613, 32067), (1527, 12873), (1839, 10689), (3563, 5517), (4291, 4581)]