19696851

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 28

約数和(自身を含む): 30297960

約数和(自身を除く): 10601109

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 659, 729, 1107, 1977, 3321, 5931, 9963, 17793, 27019, 29889, 53379, 81057, 160137, 243171, 480411, 729513, 2188539, 6565617, 19696851]

約数ペア:

[(1, 19696851), (3, 6565617), (9, 2188539), (27, 729513), (41, 480411), (81, 243171), (123, 160137), (243, 81057), (369, 53379), (659, 29889), (729, 27019), (1107, 17793), (1977, 9963), (3321, 5931)]