19221069

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7207}}^1$

素因数の和:7344

約数の個数: 16

約数和(自身を含む): 29523968

約数和(自身を除く): 10302899

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7207, 21621, 50449, 151347, 915289, 2745867, 6407023, 19221069]

約数ペア:

[(1, 19221069), (3, 6407023), (7, 2745867), (21, 915289), (127, 151347), (381, 50449), (889, 21621), (2667, 7207)]