19687732

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 35223552

約数和(自身を除く): 15535820

約数列:

[1, 2, 4, 71, 142, 181, 284, 362, 383, 724, 766, 1532, 12851, 25702, 27193, 51404, 54386, 69323, 108772, 138646, 277292, 4921933, 9843866, 19687732]

約数ペア:

[(1, 19687732), (2, 9843866), (4, 4921933), (71, 277292), (142, 138646), (181, 108772), (284, 69323), (362, 54386), (383, 51404), (724, 27193), (766, 25702), (1532, 12851)]