19820486

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23209}}^1$

素因数の和:23279

約数の個数: 16

約数和(自身を含む): 34536480

約数和(自身を除く): 14715994

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23209, 46418, 162463, 324926, 1415749, 2831498, 9910243, 19820486]

約数ペア:

[(1, 19820486), (2, 9910243), (7, 2831498), (14, 1415749), (61, 324926), (122, 162463), (427, 46418), (854, 23209)]