11641648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{16921}}^1$

素因数の和:16972

約数の個数: 20

約数和(自身を含む): 23081608

約数和(自身を除く): 11439960

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 16921, 33842, 67684, 135368, 270736, 727603, 1455206, 2910412, 5820824, 11641648]

約数ペア:

[(1, 11641648), (2, 5820824), (4, 2910412), (8, 1455206), (16, 727603), (43, 270736), (86, 135368), (172, 67684), (344, 33842), (688, 16921)]