19584675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 39403728

約数和(自身を除く): 19819053

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 193, 205, 225, 275, 369, 451, 495, 579, 615, 825, 965, 1025, 1353, 1737, 1845, 2123, 2255, 2475, 2895, 3075, 4059, 4825, 6369, 6765, 7913, 8685, 9225, 10615, 11275, 14475, 19107, 20295, 23739, 31845, 33825, 39565, 43425, 53075, 71217, 87043, 95535, 101475, 118695, 159225, 197825, 261129, 356085, 435215, 477675, 593475, 783387, 1305645, 1780425, 2176075, 3916935, 6528225, 19584675]

約数ペア:

[(1, 19584675), (3, 6528225), (5, 3916935), (9, 2176075), (11, 1780425), (15, 1305645), (25, 783387), (33, 593475), (41, 477675), (45, 435215), (55, 356085), (75, 261129), (99, 197825), (123, 159225), (165, 118695), (193, 101475), (205, 95535), (225, 87043), (275, 71217), (369, 53075), (451, 43425), (495, 39565), (579, 33825), (615, 31845), (825, 23739), (965, 20295), (1025, 19107), (1353, 14475), (1737, 11275), (1845, 10615), (2123, 9225), (2255, 8685), (2475, 7913), (2895, 6765), (3075, 6369), (4059, 4825)]