19218766

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72251}}^1$

素因数の和:72279

約数の個数: 16

約数和(自身を含む): 34680960

約数和(自身を除く): 15462194

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72251, 144502, 505757, 1011514, 1372769, 2745538, 9609383, 19218766]

約数ペア:

[(1, 19218766), (2, 9609383), (7, 2745538), (14, 1372769), (19, 1011514), (38, 505757), (133, 144502), (266, 72251)]