19989298

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19559}}^1$

素因数の和:19641

約数の個数: 16

約数和(自身を含む): 34738560

約数和(自身を除く): 14749262

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19559, 39118, 136913, 273826, 1427807, 2855614, 9994649, 19989298]

約数ペア:

[(1, 19989298), (2, 9994649), (7, 2855614), (14, 1427807), (73, 273826), (146, 136913), (511, 39118), (1022, 19559)]