19894924

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1459}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 39898880

約数和(自身を除く): 20003956

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1459, 1948, 2918, 3409, 5836, 6818, 10213, 13636, 20426, 40852, 710533, 1421066, 2842132, 4973731, 9947462, 19894924]

約数ペア:

[(1, 19894924), (2, 9947462), (4, 4973731), (7, 2842132), (14, 1421066), (28, 710533), (487, 40852), (974, 20426), (1459, 13636), (1948, 10213), (2918, 6818), (3409, 5836)]