19942005

素因数分解:

$3^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1747}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 31967424

約数和(自身を除く): 12025419

約数列:

[1, 3, 5, 15, 761, 1747, 2283, 3805, 5241, 8735, 11415, 26205, 1329467, 3988401, 6647335, 19942005]

約数ペア:

[(1, 19942005), (3, 6647335), (5, 3988401), (15, 1329467), (761, 26205), (1747, 11415), (2283, 8735), (3805, 5241)]