19243089

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{673}}^1$

素因数の和:1038

約数の個数: 20

約数和(自身を含む): 28870116

約数和(自身を除く): 9627027

約数列:

[1, 3, 9, 27, 81, 353, 673, 1059, 2019, 3177, 6057, 9531, 18171, 28593, 54513, 237569, 712707, 2138121, 6414363, 19243089]

約数ペア:

[(1, 19243089), (3, 6414363), (9, 2138121), (27, 712707), (81, 237569), (353, 54513), (673, 28593), (1059, 18171), (2019, 9531), (3177, 6057)]