19147725

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 37051200

約数和(自身を除く): 17903475

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 1493, 2565, 4275, 4479, 7465, 12825, 13437, 22395, 28367, 37325, 40311, 67185, 85101, 111975, 141835, 201555, 255303, 335925, 425505, 709175, 765909, 1007775, 1276515, 2127525, 3829545, 6382575, 19147725]

約数ペア:

[(1, 19147725), (3, 6382575), (5, 3829545), (9, 2127525), (15, 1276515), (19, 1007775), (25, 765909), (27, 709175), (45, 425505), (57, 335925), (75, 255303), (95, 201555), (135, 141835), (171, 111975), (225, 85101), (285, 67185), (475, 40311), (513, 37325), (675, 28367), (855, 22395), (1425, 13437), (1493, 12825), (2565, 7465), (4275, 4479)]