18514340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71209}}^1$

素因数の和:71231

約数の個数: 24

約数和(自身を含む): 41871480

約数和(自身を除く): 23357140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71209, 142418, 284836, 356045, 712090, 925717, 1424180, 1851434, 3702868, 4628585, 9257170, 18514340]

約数ペア:

[(1, 18514340), (2, 9257170), (4, 4628585), (5, 3702868), (10, 1851434), (13, 1424180), (20, 925717), (26, 712090), (52, 356045), (65, 284836), (130, 142418), (260, 71209)]