19007541

素因数分解:

$3^4\times 7^2\times {\mathrm{4789}}^1$

素因数の和:4815

約数の個数: 30

約数和(自身を含む): 33036630

約数和(自身を除く): 14029089

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4789, 14367, 33523, 43101, 100569, 129303, 234661, 301707, 387909, 703983, 905121, 2111949, 2715363, 6335847, 19007541]

約数ペア:

[(1, 19007541), (3, 6335847), (7, 2715363), (9, 2111949), (21, 905121), (27, 703983), (49, 387909), (63, 301707), (81, 234661), (147, 129303), (189, 100569), (441, 43101), (567, 33523), (1323, 14367), (3969, 4789)]