19734308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6317}}^1$

素因数の和:6403

約数の個数: 24

約数和(自身を含む): 38211264

約数和(自身を除く): 18476956

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6317, 12634, 25268, 69487, 138974, 277948, 448507, 897014, 1794028, 4933577, 9867154, 19734308]

約数ペア:

[(1, 19734308), (2, 9867154), (4, 4933577), (11, 1794028), (22, 897014), (44, 448507), (71, 277948), (142, 138974), (284, 69487), (781, 25268), (1562, 12634), (3124, 6317)]