18497795

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 23705136

約数和(自身を除く): 5207341

約数列:

[1, 5, 29, 53, 83, 145, 265, 415, 841, 1537, 2407, 4205, 4399, 7685, 12035, 21995, 44573, 69803, 127571, 222865, 349015, 637855, 3699559, 18497795]

約数ペア:

[(1, 18497795), (5, 3699559), (29, 637855), (53, 349015), (83, 222865), (145, 127571), (265, 69803), (415, 44573), (841, 21995), (1537, 12035), (2407, 7685), (4205, 4399)]