19968942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11057}}^1$

素因数の和:11112

約数の個数: 32

約数和(自身を含む): 46708992

約数和(自身を除く): 26740050

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11057, 22114, 33171, 66342, 77399, 154798, 232197, 464394, 475451, 950902, 1426353, 2852706, 3328157, 6656314, 9984471, 19968942]

約数ペア:

[(1, 19968942), (2, 9984471), (3, 6656314), (6, 3328157), (7, 2852706), (14, 1426353), (21, 950902), (42, 475451), (43, 464394), (86, 232197), (129, 154798), (258, 77399), (301, 66342), (602, 33171), (903, 22114), (1806, 11057)]