19954011

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86381}}^1$

素因数の和:86402

約数の個数: 16

約数和(自身を含む): 33170688

約数和(自身を除く): 13216677

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86381, 259143, 604667, 950191, 1814001, 2850573, 6651337, 19954011]

約数ペア:

[(1, 19954011), (3, 6651337), (7, 2850573), (11, 1814001), (21, 950191), (33, 604667), (77, 259143), (231, 86381)]