209439812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{3709}}^1$

素因数の和:4475

約数の個数: 24

約数和(自身を含む): 386433600

約数和(自身を除く): 176993788

約数列:

[1, 2, 4, 19, 38, 76, 743, 1486, 2972, 3709, 7418, 14117, 14836, 28234, 56468, 70471, 140942, 281884, 2755787, 5511574, 11023148, 52359953, 104719906, 209439812]

約数ペア:

[(1, 209439812), (2, 104719906), (4, 52359953), (19, 11023148), (38, 5511574), (76, 2755787), (743, 281884), (1486, 140942), (2972, 70471), (3709, 56468), (7418, 28234), (14117, 14836)]