19670273

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 23274240

約数和(自身を除く): 3603967

約数列:

[1, 7, 37, 173, 259, 439, 1211, 3073, 6401, 16243, 44807, 75947, 113701, 531629, 2810039, 19670273]

約数ペア:

[(1, 19670273), (7, 2810039), (37, 531629), (173, 113701), (259, 75947), (439, 44807), (1211, 16243), (3073, 6401)]