18508831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 21945600

約数和(自身を除く): 3436769

約数列:

[1, 11, 19, 59, 79, 209, 361, 649, 869, 1121, 1501, 3971, 4661, 12331, 16511, 21299, 28519, 51271, 88559, 234289, 313709, 974149, 1682621, 18508831]

約数ペア:

[(1, 18508831), (11, 1682621), (19, 974149), (59, 313709), (79, 234289), (209, 88559), (361, 51271), (649, 28519), (869, 21299), (1121, 16511), (1501, 12331), (3971, 4661)]