18486021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 27091584

約数和(自身を除く): 8605563

約数列:

[1, 3, 17, 29, 51, 87, 431, 493, 841, 1293, 1479, 2523, 7327, 12499, 14297, 21981, 37497, 42891, 212483, 362471, 637449, 1087413, 6162007, 18486021]

約数ペア:

[(1, 18486021), (3, 6162007), (17, 1087413), (29, 637449), (51, 362471), (87, 212483), (431, 42891), (493, 37497), (841, 21981), (1293, 14297), (1479, 12499), (2523, 7327)]