18365420

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1069}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 38648400

約数和(自身を除く): 20282980

約数列:

[1, 2, 4, 5, 10, 20, 859, 1069, 1718, 2138, 3436, 4276, 4295, 5345, 8590, 10690, 17180, 21380, 918271, 1836542, 3673084, 4591355, 9182710, 18365420]

約数ペア:

[(1, 18365420), (2, 9182710), (4, 4591355), (5, 3673084), (10, 1836542), (20, 918271), (859, 21380), (1069, 17180), (1718, 10690), (2138, 8590), (3436, 5345), (4276, 4295)]