19669275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 38301120

約数和(自身を除く): 18631845

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 107, 129, 171, 215, 225, 285, 321, 387, 475, 535, 645, 817, 855, 963, 1075, 1425, 1605, 1935, 2033, 2451, 2675, 3225, 4085, 4275, 4601, 4815, 6099, 7353, 8025, 9675, 10165, 12255, 13803, 18297, 20425, 23005, 24075, 30495, 36765, 41409, 50825, 61275, 69015, 87419, 91485, 115025, 152475, 183825, 207045, 262257, 345075, 437095, 457425, 786771, 1035225, 1311285, 2185475, 3933855, 6556425, 19669275]

約数ペア:

[(1, 19669275), (3, 6556425), (5, 3933855), (9, 2185475), (15, 1311285), (19, 1035225), (25, 786771), (43, 457425), (45, 437095), (57, 345075), (75, 262257), (95, 207045), (107, 183825), (129, 152475), (171, 115025), (215, 91485), (225, 87419), (285, 69015), (321, 61275), (387, 50825), (475, 41409), (535, 36765), (645, 30495), (817, 24075), (855, 23005), (963, 20425), (1075, 18297), (1425, 13803), (1605, 12255), (1935, 10165), (2033, 9675), (2451, 8025), (2675, 7353), (3225, 6099), (4085, 4815), (4275, 4601)]