19243340

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1709}}^1$

素因数の和:2281

約数の個数: 24

約数和(自身を含む): 40506480

約数和(自身を除く): 21263140

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1709, 2252, 2815, 3418, 5630, 6836, 8545, 11260, 17090, 34180, 962167, 1924334, 3848668, 4810835, 9621670, 19243340]

約数ペア:

[(1, 19243340), (2, 9621670), (4, 4810835), (5, 3848668), (10, 1924334), (20, 962167), (563, 34180), (1126, 17090), (1709, 11260), (2252, 8545), (2815, 6836), (3418, 5630)]