19515242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8419}}^1$

素因数の和:8501

約数の個数: 16

約数和(自身を含む): 31322400

約数和(自身を除く): 11807158

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8419, 16838, 159961, 319922, 513559, 1027118, 9757621, 19515242]

約数ペア:

[(1, 19515242), (2, 9757621), (19, 1027118), (38, 513559), (61, 319922), (122, 159961), (1159, 16838), (2318, 8419)]