19611153

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{1229}}^1$

素因数の和:1438

約数の個数: 20

約数和(自身を含む): 29468340

約数和(自身を除く): 9857187

約数列:

[1, 3, 9, 27, 81, 197, 591, 1229, 1773, 3687, 5319, 11061, 15957, 33183, 99549, 242113, 726339, 2179017, 6537051, 19611153]

約数ペア:

[(1, 19611153), (3, 6537051), (9, 2179017), (27, 726339), (81, 242113), (197, 99549), (591, 33183), (1229, 15957), (1773, 11061), (3687, 5319)]