19127774525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{29851}}^1$

素因数の和:29970

約数の個数: 36

約数和(自身を含む): 25385901984

約数和(自身を除く): 6258127459

約数列:

[1, 5, 19, 25, 71, 95, 355, 361, 475, 1349, 1775, 1805, 6745, 9025, 25631, 29851, 33725, 128155, 149255, 567169, 640775, 746275, 2119421, 2835845, 10597105, 10776211, 14179225, 40268999, 52985525, 53881055, 201344995, 269405275, 765110981, 1006724975, 3825554905, 19127774525]

約数ペア:

[(1, 19127774525), (5, 3825554905), (19, 1006724975), (25, 765110981), (71, 269405275), (95, 201344995), (355, 53881055), (361, 52985525), (475, 40268999), (1349, 14179225), (1775, 10776211), (1805, 10597105), (6745, 2835845), (9025, 2119421), (25631, 746275), (29851, 640775), (33725, 567169), (128155, 149255)]