19953059

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 24353280

約数和(自身を除く): 4400221

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2113, 9443, 14791, 40147, 150023, 281029, 1050161, 2850437, 19953059]

約数ペア:

[(1, 19953059), (7, 2850437), (19, 1050161), (71, 281029), (133, 150023), (497, 40147), (1349, 14791), (2113, 9443)]