19130356

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15889}}^1$

素因数の和:15943

約数の個数: 24

約数和(自身を含む): 39152960

約数和(自身を除く): 20022604

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15889, 31778, 63556, 111223, 222446, 444892, 683227, 1366454, 2732908, 4782589, 9565178, 19130356]

約数ペア:

[(1, 19130356), (2, 9565178), (4, 4782589), (7, 2732908), (14, 1366454), (28, 683227), (43, 444892), (86, 222446), (172, 111223), (301, 63556), (602, 31778), (1204, 15889)]