17971378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6661}}^1$

素因数の和:6753

約数の個数: 16

約数和(自身を含む): 28779840

約数和(自身を除く): 10808462

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 6661, 13322, 126559, 253118, 472931, 945862, 8985689, 17971378]

約数ペア:

[(1, 17971378), (2, 8985689), (19, 945862), (38, 472931), (71, 253118), (142, 126559), (1349, 13322), (2698, 6661)]