18891339

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2111}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 26695680

約数和(自身を除く): 7804341

約数列:

[1, 3, 19, 57, 157, 471, 2111, 2983, 6333, 8949, 40109, 120327, 331427, 994281, 6297113, 18891339]

約数ペア:

[(1, 18891339), (3, 6297113), (19, 994281), (57, 331427), (157, 120327), (471, 40109), (2111, 8949), (2983, 6333)]