19679572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{447263}}^1$

素因数の和:447278

約数の個数: 12

約数和(自身を含む): 37570176

約数和(自身を除く): 17890604

約数列:

[1, 2, 4, 11, 22, 44, 447263, 894526, 1789052, 4919893, 9839786, 19679572]

約数ペア:

[(1, 19679572), (2, 9839786), (4, 4919893), (11, 1789052), (22, 894526), (44, 447263)]