18708996873

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{673}}^1\times {\mathrm{24977}}^1$

素因数の和:25713

約数の個数: 32

約数和(自身を含む): 29091177216

約数和(自身を除く): 10382180343

約数列:

[1, 3, 7, 21, 53, 159, 371, 673, 1113, 2019, 4711, 14133, 24977, 35669, 74931, 107007, 174839, 249683, 524517, 749049, 1323781, 3971343, 9266467, 16809521, 27799401, 50428563, 117666647, 352999941, 890904613, 2672713839, 6236332291, 18708996873]

約数ペア:

[(1, 18708996873), (3, 6236332291), (7, 2672713839), (21, 890904613), (53, 352999941), (159, 117666647), (371, 50428563), (673, 27799401), (1113, 16809521), (2019, 9266467), (4711, 3971343), (14133, 1323781), (24977, 749049), (35669, 524517), (74931, 249683), (107007, 174839)]