19696264

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 42350400

約数和(自身を除く): 22654136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 691, 1018, 1382, 2036, 2764, 3563, 4072, 4837, 5528, 7126, 9674, 14252, 19348, 28504, 38696, 351719, 703438, 1406876, 2462033, 2813752, 4924066, 9848132, 19696264]

約数ペア:

[(1, 19696264), (2, 9848132), (4, 4924066), (7, 2813752), (8, 2462033), (14, 1406876), (28, 703438), (56, 351719), (509, 38696), (691, 28504), (1018, 19348), (1382, 14252), (2036, 9674), (2764, 7126), (3563, 5528), (4072, 4837)]