19075925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 26194752

約数和(自身を除く): 7118827

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 977, 1775, 3905, 4885, 10747, 19525, 24425, 53735, 69367, 268675, 346835, 763037, 1734175, 3815185, 19075925]

約数ペア:

[(1, 19075925), (5, 3815185), (11, 1734175), (25, 763037), (55, 346835), (71, 268675), (275, 69367), (355, 53735), (781, 24425), (977, 19525), (1775, 10747), (3905, 4885)]