19935153

素因数分解:

$3^4\times 7^1\times {\mathrm{35159}}^1$

素因数の和:35178

約数の個数: 20

約数和(自身を含む): 34034880

約数和(自身を除く): 14099727

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35159, 105477, 246113, 316431, 738339, 949293, 2215017, 2847879, 6645051, 19935153]

約数ペア:

[(1, 19935153), (3, 6645051), (7, 2847879), (9, 2215017), (21, 949293), (27, 738339), (63, 316431), (81, 246113), (189, 105477), (567, 35159)]