19464004

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1787}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 39049920

約数和(自身を除く): 19585916

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1787, 2723, 3574, 5446, 7148, 10892, 12509, 25018, 50036, 695143, 1390286, 2780572, 4866001, 9732002, 19464004]

約数ペア:

[(1, 19464004), (2, 9732002), (4, 4866001), (7, 2780572), (14, 1390286), (28, 695143), (389, 50036), (778, 25018), (1556, 12509), (1787, 10892), (2723, 7148), (3574, 5446)]