19129275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 38301120

約数和(自身を除く): 19171845

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 59, 75, 99, 131, 165, 177, 225, 275, 295, 393, 495, 531, 649, 655, 825, 885, 1179, 1441, 1475, 1947, 1965, 2475, 2655, 3245, 3275, 4323, 4425, 5841, 5895, 7205, 7729, 9735, 9825, 12969, 13275, 16225, 21615, 23187, 29205, 29475, 36025, 38645, 48675, 64845, 69561, 85019, 108075, 115935, 146025, 193225, 255057, 324225, 347805, 425095, 579675, 765171, 1275285, 1739025, 2125475, 3825855, 6376425, 19129275]

約数ペア:

[(1, 19129275), (3, 6376425), (5, 3825855), (9, 2125475), (11, 1739025), (15, 1275285), (25, 765171), (33, 579675), (45, 425095), (55, 347805), (59, 324225), (75, 255057), (99, 193225), (131, 146025), (165, 115935), (177, 108075), (225, 85019), (275, 69561), (295, 64845), (393, 48675), (495, 38645), (531, 36025), (649, 29475), (655, 29205), (825, 23187), (885, 21615), (1179, 16225), (1441, 13275), (1475, 12969), (1947, 9825), (1965, 9735), (2475, 7729), (2655, 7205), (3245, 5895), (3275, 5841), (4323, 4425)]