18642547

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2917}}^1$

素因数の和:3018

約数の個数: 16

約数和(自身を含む): 23530752

約数和(自身を除く): 4888205

約数列:

[1, 7, 11, 77, 83, 581, 913, 2917, 6391, 20419, 32087, 224609, 242111, 1694777, 2663221, 18642547]

約数ペア:

[(1, 18642547), (7, 2663221), (11, 1694777), (77, 242111), (83, 224609), (581, 32087), (913, 20419), (2917, 6391)]