18684790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 17557130

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2287, 4085, 4574, 8170, 11435, 22870, 43453, 86906, 98341, 196682, 217265, 434530, 491705, 983410, 1868479, 3736958, 9342395, 18684790]

約数ペア:

[(1, 18684790), (2, 9342395), (5, 3736958), (10, 1868479), (19, 983410), (38, 491705), (43, 434530), (86, 217265), (95, 196682), (190, 98341), (215, 86906), (430, 43453), (817, 22870), (1634, 11435), (2287, 8170), (4085, 4574)]