19779862

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5443}}^1$

素因数の和:5547

約数の個数: 16

約数和(自身を含む): 31357440

約数和(自身を除く): 11577578

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5443, 10886, 125189, 250378, 429997, 859994, 9889931, 19779862]

約数ペア:

[(1, 19779862), (2, 9889931), (23, 859994), (46, 429997), (79, 250378), (158, 125189), (1817, 10886), (3634, 5443)]