19307727

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1044

約数の個数: 20

約数和(自身を含む): 28967400

約数和(自身を除く): 9659673

約数列:

[1, 3, 9, 27, 81, 349, 683, 1047, 2049, 3141, 6147, 9423, 18441, 28269, 55323, 238367, 715101, 2145303, 6435909, 19307727]

約数ペア:

[(1, 19307727), (3, 6435909), (9, 2145303), (27, 715101), (81, 238367), (349, 55323), (683, 28269), (1047, 18441), (2049, 9423), (3141, 6147)]