18824535

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 17463465

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 171, 179, 205, 285, 369, 513, 537, 615, 779, 855, 895, 1107, 1611, 1845, 2337, 2565, 2685, 3401, 3895, 4833, 5535, 7011, 7339, 8055, 10203, 11685, 17005, 21033, 22017, 24165, 30609, 35055, 36695, 51015, 66051, 91827, 105165, 110085, 139441, 153045, 198153, 330255, 418323, 459135, 697205, 990765, 1254969, 2091615, 3764907, 6274845, 18824535]

約数ペア:

[(1, 18824535), (3, 6274845), (5, 3764907), (9, 2091615), (15, 1254969), (19, 990765), (27, 697205), (41, 459135), (45, 418323), (57, 330255), (95, 198153), (123, 153045), (135, 139441), (171, 110085), (179, 105165), (205, 91827), (285, 66051), (369, 51015), (513, 36695), (537, 35055), (615, 30609), (779, 24165), (855, 22017), (895, 21033), (1107, 17005), (1611, 11685), (1845, 10203), (2337, 8055), (2565, 7339), (2685, 7011), (3401, 5535), (3895, 4833)]