18780053

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 20752560

約数和(自身を除く): 1972507

約数列:

[1, 17, 37, 73, 409, 629, 1241, 2701, 6953, 15133, 29857, 45917, 257261, 507569, 1104709, 18780053]

約数ペア:

[(1, 18780053), (17, 1104709), (37, 507569), (73, 257261), (409, 45917), (629, 29857), (1241, 15133), (2701, 6953)]