19554938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17491}}^1$

素因数の和:17549

約数の個数: 16

約数和(自身を含む): 32325216

約数和(自身を除く): 12770278

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17491, 34982, 227383, 454766, 752113, 1504226, 9777469, 19554938]

約数ペア:

[(1, 19554938), (2, 9777469), (13, 1504226), (26, 752113), (43, 454766), (86, 227383), (559, 34982), (1118, 17491)]