19691254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5701}}^1$

素因数の和:5871

約数の個数: 16

約数和(自身を含む): 32432976

約数和(自身を除く): 12741722

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5701, 11402, 62711, 125422, 895057, 1790114, 9845627, 19691254]

約数ペア:

[(1, 19691254), (2, 9845627), (11, 1790114), (22, 895057), (157, 125422), (314, 62711), (1727, 11402), (3454, 5701)]