11919555

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 22506000

約数和(自身を除く): 10586445

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 1549, 2565, 4647, 7695, 7745, 13941, 23235, 29431, 41823, 69705, 88293, 125469, 147155, 209115, 264879, 441465, 627345, 794637, 1324395, 2383911, 3973185, 11919555]

約数ペア:

[(1, 11919555), (3, 3973185), (5, 2383911), (9, 1324395), (15, 794637), (19, 627345), (27, 441465), (45, 264879), (57, 209115), (81, 147155), (95, 125469), (135, 88293), (171, 69705), (285, 41823), (405, 29431), (513, 23235), (855, 13941), (1539, 7745), (1549, 7695), (2565, 4647)]