19803406

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23189}}^1$

素因数の和:23259

約数の個数: 16

約数和(自身を含む): 34506720

約数和(自身を除く): 14703314

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23189, 46378, 162323, 324646, 1414529, 2829058, 9901703, 19803406]

約数ペア:

[(1, 19803406), (2, 9901703), (7, 2829058), (14, 1414529), (61, 324646), (122, 162323), (427, 46378), (854, 23189)]