19193643

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:704

約数の個数: 36

約数和(自身を含む): 32758128

約数和(自身を除く): 13564485

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 613, 639, 1491, 1839, 3479, 4291, 4473, 5517, 10437, 12873, 30037, 31311, 38619, 43523, 90111, 130569, 270333, 304661, 391707, 913983, 2132627, 2741949, 6397881, 19193643]

約数ペア:

[(1, 19193643), (3, 6397881), (7, 2741949), (9, 2132627), (21, 913983), (49, 391707), (63, 304661), (71, 270333), (147, 130569), (213, 90111), (441, 43523), (497, 38619), (613, 31311), (639, 30037), (1491, 12873), (1839, 10437), (3479, 5517), (4291, 4473)]