19972892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{701}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 17176948

約数列:

[1, 2, 4, 17, 34, 68, 419, 701, 838, 1402, 1676, 2804, 7123, 11917, 14246, 23834, 28492, 47668, 293719, 587438, 1174876, 4993223, 9986446, 19972892]

約数ペア:

[(1, 19972892), (2, 9986446), (4, 4993223), (17, 1174876), (34, 587438), (68, 293719), (419, 47668), (701, 28492), (838, 23834), (1402, 14246), (1676, 11917), (2804, 7123)]