19779753

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22973}}^1$

素因数の和:23024

約数の個数: 16

約数和(自身を含む): 30877056

約数和(自身を除く): 11097303

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 22973, 68919, 160811, 482433, 941893, 2825679, 6593251, 19779753]

約数ペア:

[(1, 19779753), (3, 6593251), (7, 2825679), (21, 941893), (41, 482433), (123, 160811), (287, 68919), (861, 22973)]