19175140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5297}}^1$

素因数の和:5487

約数の個数: 24

約数和(自身を含む): 40497912

約数和(自身を除く): 21322772

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5297, 10594, 21188, 26485, 52970, 105940, 958757, 1917514, 3835028, 4793785, 9587570, 19175140]

約数ペア:

[(1, 19175140), (2, 9587570), (4, 4793785), (5, 3835028), (10, 1917514), (20, 958757), (181, 105940), (362, 52970), (724, 26485), (905, 21188), (1810, 10594), (3620, 5297)]