18790605

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 32741280

約数和(自身を除く): 13950675

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 1979, 3165, 5937, 9495, 9895, 17811, 29685, 89055, 417569, 1252707, 2087845, 3758121, 6263535, 18790605]

約数ペア:

[(1, 18790605), (3, 6263535), (5, 3758121), (9, 2087845), (15, 1252707), (45, 417569), (211, 89055), (633, 29685), (1055, 17811), (1899, 9895), (1979, 9495), (3165, 5937)]