19329140

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1097}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 40674312

約数和(自身を除く): 21345172

約数列:

[1, 2, 4, 5, 10, 20, 881, 1097, 1762, 2194, 3524, 4388, 4405, 5485, 8810, 10970, 17620, 21940, 966457, 1932914, 3865828, 4832285, 9664570, 19329140]

約数ペア:

[(1, 19329140), (2, 9664570), (4, 4832285), (5, 3865828), (10, 1932914), (20, 966457), (881, 21940), (1097, 17620), (1762, 10970), (2194, 8810), (3524, 5485), (4388, 4405)]