209528086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1\times {\mathrm{4999}}^1$

素因数の和:6123

約数の個数: 16

約数和(自身を含む): 331200000

約数和(自身を除く): 121671914

約数列:

[1, 2, 19, 38, 1103, 2206, 4999, 9998, 20957, 41914, 94981, 189962, 5513897, 11027794, 104764043, 209528086]

約数ペア:

[(1, 209528086), (2, 104764043), (19, 11027794), (38, 5513897), (1103, 189962), (2206, 94981), (4999, 41914), (9998, 20957)]