1819979945

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{28123}}^1$

素因数の和:28221

約数の個数: 24

約数和(自身を含む): 2555459136

約数和(自身を除く): 735479191

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1849, 9245, 12943, 28123, 64715, 140615, 196861, 984305, 1209289, 6046445, 8465023, 42325115, 51999427, 259997135, 363995989, 1819979945]

約数ペア:

[(1, 1819979945), (5, 363995989), (7, 259997135), (35, 51999427), (43, 42325115), (215, 8465023), (301, 6046445), (1505, 1209289), (1849, 984305), (9245, 196861), (12943, 140615), (28123, 64715)]