18437274

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 41119680

約数和(自身を除く): 22682406

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 811, 842, 1263, 1622, 2433, 2526, 3789, 4866, 7299, 7578, 11367, 14598, 21897, 22734, 43794, 341431, 682862, 1024293, 2048586, 3072879, 6145758, 9218637, 18437274]

約数ペア:

[(1, 18437274), (2, 9218637), (3, 6145758), (6, 3072879), (9, 2048586), (18, 1024293), (27, 682862), (54, 341431), (421, 43794), (811, 22734), (842, 21897), (1263, 14598), (1622, 11367), (2433, 7578), (2526, 7299), (3789, 4866)]