18217963491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{749803}}^1$

素因数の和:749915

約数の個数: 32

約数和(自身を含む): 30232097280

約数和(自身を除く): 12014133789

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 3471, 8099, 24297, 749803, 2249409, 5248621, 9747439, 15745863, 29242317, 66732467, 68232073, 200197401, 204696219, 467127269, 867522071, 1401381807, 2602566213, 6072654497, 18217963491]

約数ペア:

[(1, 18217963491), (3, 6072654497), (7, 2602566213), (13, 1401381807), (21, 867522071), (39, 467127269), (89, 204696219), (91, 200197401), (267, 68232073), (273, 66732467), (623, 29242317), (1157, 15745863), (1869, 9747439), (3471, 5248621), (8099, 2249409), (24297, 749803)]