19139816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{55639}}^1$

素因数の和:55688

約数の個数: 16

約数和(自身を含む): 36722400

約数和(自身を除く): 17582584

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 55639, 111278, 222556, 445112, 2392477, 4784954, 9569908, 19139816]

約数ペア:

[(1, 19139816), (2, 9569908), (4, 4784954), (8, 2392477), (43, 445112), (86, 222556), (172, 111278), (344, 55639)]