19228275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 39867984

約数和(自身を除く): 20639709

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 457, 495, 561, 765, 825, 935, 1275, 1371, 1683, 2285, 2475, 2805, 3825, 4113, 4675, 5027, 6855, 7769, 8415, 11425, 14025, 15081, 20565, 23307, 25135, 34275, 38845, 42075, 45243, 69921, 75405, 85459, 102825, 116535, 125675, 194225, 226215, 256377, 349605, 377025, 427295, 582675, 769131, 1131075, 1281885, 1748025, 2136475, 3845655, 6409425, 19228275]

約数ペア:

[(1, 19228275), (3, 6409425), (5, 3845655), (9, 2136475), (11, 1748025), (15, 1281885), (17, 1131075), (25, 769131), (33, 582675), (45, 427295), (51, 377025), (55, 349605), (75, 256377), (85, 226215), (99, 194225), (153, 125675), (165, 116535), (187, 102825), (225, 85459), (255, 75405), (275, 69921), (425, 45243), (457, 42075), (495, 38845), (561, 34275), (765, 25135), (825, 23307), (935, 20565), (1275, 15081), (1371, 14025), (1683, 11425), (2285, 8415), (2475, 7769), (2805, 6855), (3825, 5027), (4113, 4675)]