19517517

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:712

約数の個数: 28

約数和(自身を含む): 30022524

約数和(自身を除く): 10505007

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 653, 729, 1107, 1959, 3321, 5877, 9963, 17631, 26773, 29889, 52893, 80319, 158679, 240957, 476037, 722871, 2168613, 6505839, 19517517]

約数ペア:

[(1, 19517517), (3, 6505839), (9, 2168613), (27, 722871), (41, 476037), (81, 240957), (123, 158679), (243, 80319), (369, 52893), (653, 29889), (729, 26773), (1107, 17631), (1959, 9963), (3321, 5877)]