19901268

素因数分解:

$2^2\times 3^3\times {\mathrm{184271}}^1$

素因数の和:184284

約数の個数: 24

約数和(自身を含む): 51596160

約数和(自身を除く): 31694892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 184271, 368542, 552813, 737084, 1105626, 1658439, 2211252, 3316878, 4975317, 6633756, 9950634, 19901268]

約数ペア:

[(1, 19901268), (2, 9950634), (3, 6633756), (4, 4975317), (6, 3316878), (9, 2211252), (12, 1658439), (18, 1105626), (27, 737084), (36, 552813), (54, 368542), (108, 184271)]