19892075

素因数分解:

$5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 28382112

約数和(自身を除く): 8490037

約数列:

[1, 5, 7, 25, 35, 175, 197, 577, 985, 1379, 2885, 4039, 4925, 6895, 14425, 20195, 34475, 100975, 113669, 568345, 795683, 2841725, 3978415, 19892075]

約数ペア:

[(1, 19892075), (5, 3978415), (7, 2841725), (25, 795683), (35, 568345), (175, 113669), (197, 100975), (577, 34475), (985, 20195), (1379, 14425), (2885, 6895), (4039, 4925)]