2018889765

素因数分解:

$3^4\times 5^1\times {\mathrm{4984913}}^1$

素因数の和:4984930

約数の個数: 20

約数和(自身を含む): 3619047564

約数和(自身を除く): 1600157799

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4984913, 14954739, 24924565, 44864217, 74773695, 134592651, 224321085, 403777953, 672963255, 2018889765]

約数ペア:

[(1, 2018889765), (3, 672963255), (5, 403777953), (9, 224321085), (15, 134592651), (27, 74773695), (45, 44864217), (81, 24924565), (135, 14954739), (405, 4984913)]