19235018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20333}}^1$

素因数の和:20389

約数の個数: 16

約数和(自身を含む): 32209056

約数和(自身を除く): 12974038

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20333, 40666, 223663, 447326, 874319, 1748638, 9617509, 19235018]

約数ペア:

[(1, 19235018), (2, 9617509), (11, 1748638), (22, 874319), (43, 447326), (86, 223663), (473, 40666), (946, 20333)]