19846660

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4703}}^1$

素因数の和:4923

約数の個数: 24

約数和(自身を含む): 41884416

約数和(自身を除く): 22037756

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4703, 9406, 18812, 23515, 47030, 94060, 992333, 1984666, 3969332, 4961665, 9923330, 19846660]

約数ペア:

[(1, 19846660), (2, 9923330), (4, 4961665), (5, 3969332), (10, 1984666), (20, 992333), (211, 94060), (422, 47030), (844, 23515), (1055, 18812), (2110, 9406), (4220, 4703)]