19471815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 37215360

約数和(自身を除く): 17743545

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 139, 165, 283, 417, 495, 695, 849, 1251, 1415, 1529, 2085, 2547, 3113, 4245, 4587, 6255, 7645, 9339, 12735, 13761, 15565, 22935, 28017, 39337, 46695, 68805, 118011, 140085, 196685, 354033, 432707, 590055, 1298121, 1770165, 2163535, 3894363, 6490605, 19471815]

約数ペア:

[(1, 19471815), (3, 6490605), (5, 3894363), (9, 2163535), (11, 1770165), (15, 1298121), (33, 590055), (45, 432707), (55, 354033), (99, 196685), (139, 140085), (165, 118011), (283, 68805), (417, 46695), (495, 39337), (695, 28017), (849, 22935), (1251, 15565), (1415, 13761), (1529, 12735), (2085, 9339), (2547, 7645), (3113, 6255), (4245, 4587)]