18803687

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 22387200

約数和(自身を除く): 3583513

約数列:

[1, 7, 29, 203, 211, 439, 1477, 3073, 6119, 12731, 42833, 89117, 92629, 648403, 2686241, 18803687]

約数ペア:

[(1, 18803687), (7, 2686241), (29, 648403), (203, 92629), (211, 89117), (439, 42833), (1477, 12731), (3073, 6119)]