19857602

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{137}}^2$

素因数の和:322

約数の個数: 18

約数和(自身を含む): 31366713

約数和(自身を除く): 11509111

約数列:

[1, 2, 23, 46, 137, 274, 529, 1058, 3151, 6302, 18769, 37538, 72473, 144946, 431687, 863374, 9928801, 19857602]

約数ペア:

[(1, 19857602), (2, 9928801), (23, 863374), (46, 431687), (137, 144946), (274, 72473), (529, 37538), (1058, 18769), (3151, 6302)]