18638942

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{10163}}^1$

素因数の和:10303

約数の個数: 16

約数和(自身を含む): 32199552

約数和(自身を除く): 13560610

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 10163, 20326, 71141, 142282, 1331353, 2662706, 9319471, 18638942]

約数ペア:

[(1, 18638942), (2, 9319471), (7, 2662706), (14, 1331353), (131, 142282), (262, 71141), (917, 20326), (1834, 10163)]