18964462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20047}}^1$

素因数の和:20103

約数の個数: 16

約数和(自身を含む): 31756032

約数和(自身を除く): 12791570

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20047, 40094, 220517, 441034, 862021, 1724042, 9482231, 18964462]

約数ペア:

[(1, 18964462), (2, 9482231), (11, 1724042), (22, 862021), (43, 441034), (86, 220517), (473, 40094), (946, 20047)]