18759668

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 33802272

約数和(自身を除く): 15042604

約数列:

[1, 2, 4, 53, 106, 107, 212, 214, 428, 827, 1654, 3308, 5671, 11342, 22684, 43831, 87662, 88489, 175324, 176978, 353956, 4689917, 9379834, 18759668]

約数ペア:

[(1, 18759668), (2, 9379834), (4, 4689917), (53, 353956), (106, 176978), (107, 175324), (212, 88489), (214, 87662), (428, 43831), (827, 22684), (1654, 11342), (3308, 5671)]