18754425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 36560160

約数和(自身を除く): 17805735

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 107, 123, 171, 205, 225, 285, 321, 369, 475, 535, 615, 779, 855, 963, 1025, 1425, 1605, 1845, 2033, 2337, 2675, 3075, 3895, 4275, 4387, 4815, 6099, 7011, 8025, 9225, 10165, 11685, 13161, 18297, 19475, 21935, 24075, 30495, 35055, 39483, 50825, 58425, 65805, 83353, 91485, 109675, 152475, 175275, 197415, 250059, 329025, 416765, 457425, 750177, 987075, 1250295, 2083825, 3750885, 6251475, 18754425]

約数ペア:

[(1, 18754425), (3, 6251475), (5, 3750885), (9, 2083825), (15, 1250295), (19, 987075), (25, 750177), (41, 457425), (45, 416765), (57, 329025), (75, 250059), (95, 197415), (107, 175275), (123, 152475), (171, 109675), (205, 91485), (225, 83353), (285, 65805), (321, 58425), (369, 50825), (475, 39483), (535, 35055), (615, 30495), (779, 24075), (855, 21935), (963, 19475), (1025, 18297), (1425, 13161), (1605, 11685), (1845, 10165), (2033, 9225), (2337, 8025), (2675, 7011), (3075, 6099), (3895, 4815), (4275, 4387)]