18959842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{10909}}^1$

素因数の和:11001

約数の個数: 16

約数和(自身を含む): 31420800

約数和(自身を除く): 12460958

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 10909, 21818, 119999, 239998, 861811, 1723622, 9479921, 18959842]

約数ペア:

[(1, 18959842), (2, 9479921), (11, 1723622), (22, 861811), (79, 239998), (158, 119999), (869, 21818), (1738, 10909)]