19786403

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2111}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 24600576

約数和(自身を除く): 4814173

約数列:

[1, 7, 13, 91, 103, 721, 1339, 2111, 9373, 14777, 27443, 192101, 217433, 1522031, 2826629, 19786403]

約数ペア:

[(1, 19786403), (7, 2826629), (13, 1522031), (91, 217433), (103, 192101), (721, 27443), (1339, 14777), (2111, 9373)]