19745900

素因数分解:

$2^2\times 5^2\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 43044120

約数和(自身を除く): 23298220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 379, 521, 758, 1042, 1516, 1895, 2084, 2605, 3790, 5210, 7580, 9475, 10420, 13025, 18950, 26050, 37900, 52100, 197459, 394918, 789836, 987295, 1974590, 3949180, 4936475, 9872950, 19745900]

約数ペア:

[(1, 19745900), (2, 9872950), (4, 4936475), (5, 3949180), (10, 1974590), (20, 987295), (25, 789836), (50, 394918), (100, 197459), (379, 52100), (521, 37900), (758, 26050), (1042, 18950), (1516, 13025), (1895, 10420), (2084, 9475), (2605, 7580), (3790, 5210)]