19128825

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1667}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 37229760

約数和(自身を除く): 18100935

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 1667, 2295, 3825, 5001, 8335, 11475, 15003, 25005, 28339, 41675, 45009, 75015, 85017, 125025, 141695, 225045, 255051, 375075, 425085, 708475, 765153, 1125225, 1275255, 2125425, 3825765, 6376275, 19128825]

約数ペア:

[(1, 19128825), (3, 6376275), (5, 3825765), (9, 2125425), (15, 1275255), (17, 1125225), (25, 765153), (27, 708475), (45, 425085), (51, 375075), (75, 255051), (85, 225045), (135, 141695), (153, 125025), (225, 85017), (255, 75015), (425, 45009), (459, 41675), (675, 28339), (765, 25005), (1275, 15003), (1667, 11475), (2295, 8335), (3825, 5001)]