19303417

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2551}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 23519232

約数和(自身を除く): 4215815

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2551, 7567, 17857, 58673, 119897, 410711, 839279, 2757631, 19303417]

約数ペア:

[(1, 19303417), (7, 2757631), (23, 839279), (47, 410711), (161, 119897), (329, 58673), (1081, 17857), (2551, 7567)]