19652540

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4657}}^1$

素因数の和:4877

約数の個数: 24

約数和(自身を含む): 41474832

約数和(自身を除く): 21822292

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4657, 9314, 18628, 23285, 46570, 93140, 982627, 1965254, 3930508, 4913135, 9826270, 19652540]

約数ペア:

[(1, 19652540), (2, 9826270), (4, 4913135), (5, 3930508), (10, 1965254), (20, 982627), (211, 93140), (422, 46570), (844, 23285), (1055, 18628), (2110, 9314), (4220, 4657)]