19936492

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16754708

約数列:

[1, 2, 4, 23, 46, 92, 139, 278, 556, 1559, 3118, 3197, 6236, 6394, 12788, 35857, 71714, 143428, 216701, 433402, 866804, 4984123, 9968246, 19936492]

約数ペア:

[(1, 19936492), (2, 9968246), (4, 4984123), (23, 866804), (46, 433402), (92, 216701), (139, 143428), (278, 71714), (556, 35857), (1559, 12788), (3118, 6394), (3197, 6236)]