19762299

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12841}}^1$

素因数の和:12872

約数の個数: 20

約数和(自身を含む): 31077640

約数和(自身を除く): 11315341

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12841, 38523, 115569, 243979, 346707, 731937, 1040121, 2195811, 6587433, 19762299]

約数ペア:

[(1, 19762299), (3, 6587433), (9, 2195811), (19, 1040121), (27, 731937), (57, 346707), (81, 243979), (171, 115569), (513, 38523), (1539, 12841)]