31871474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11813}}^1$

素因数の和:11905

約数の個数: 16

約数和(自身を含む): 51036480

約数和(自身を除く): 19165006

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 11813, 23626, 224447, 448894, 838723, 1677446, 15935737, 31871474]

約数ペア:

[(1, 31871474), (2, 15935737), (19, 1677446), (38, 838723), (71, 448894), (142, 224447), (1349, 23626), (2698, 11813)]