1949203820

素因数分解:

$2^2\times 5^1\times {\mathrm{97460191}}^1$

素因数の和:97460200

約数の個数: 12

約数和(自身を含む): 4093328064

約数和(自身を除く): 2144124244

約数列:

[1, 2, 4, 5, 10, 20, 97460191, 194920382, 389840764, 487300955, 974601910, 1949203820]

約数ペア:

[(1, 1949203820), (2, 974601910), (4, 487300955), (5, 389840764), (10, 194920382), (20, 97460191)]