28031422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{19937}}^1$

素因数の和:19995

約数の個数: 16

約数和(自身を含む): 45458640

約数和(自身を除く): 17427218

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 19937, 39874, 378803, 737669, 757606, 1475338, 14015711, 28031422]

約数ペア:

[(1, 28031422), (2, 14015711), (19, 1475338), (37, 757606), (38, 737669), (74, 378803), (703, 39874), (1406, 19937)]