18348517220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1174681}}^1$

素因数の和:1174772

約数の個数: 48

約数和(自身を含む): 42626860416

約数和(自身を除く): 24278343196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 1174681, 2349362, 4698724, 5873405, 11746810, 12921491, 23493620, 25842982, 51685964, 64607455, 83402351, 129214910, 166804702, 258429820, 333609404, 417011755, 834023510, 917425861, 1668047020, 1834851722, 3669703444, 4587129305, 9174258610, 18348517220]

約数ペア:

[(1, 18348517220), (2, 9174258610), (4, 4587129305), (5, 3669703444), (10, 1834851722), (11, 1668047020), (20, 917425861), (22, 834023510), (44, 417011755), (55, 333609404), (71, 258429820), (110, 166804702), (142, 129214910), (220, 83402351), (284, 64607455), (355, 51685964), (710, 25842982), (781, 23493620), (1420, 12921491), (1562, 11746810), (3124, 5873405), (3905, 4698724), (7810, 2349362), (15620, 1174681)]