18479820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 33452340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 643, 958, 1286, 1437, 1916, 1929, 2395, 2572, 2874, 3215, 3858, 4790, 5748, 6430, 7185, 7716, 9580, 9645, 12860, 14370, 19290, 28740, 38580, 307997, 615994, 923991, 1231988, 1539985, 1847982, 3079970, 3695964, 4619955, 6159940, 9239910, 18479820]

約数ペア:

[(1, 18479820), (2, 9239910), (3, 6159940), (4, 4619955), (5, 3695964), (6, 3079970), (10, 1847982), (12, 1539985), (15, 1231988), (20, 923991), (30, 615994), (60, 307997), (479, 38580), (643, 28740), (958, 19290), (1286, 14370), (1437, 12860), (1916, 9645), (1929, 9580), (2395, 7716), (2572, 7185), (2874, 6430), (3215, 5748), (3858, 4790)]