18219665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3112

約数の個数: 16

約数和(自身を含む): 23483520

約数和(自身を除く): 5263855

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3019, 6035, 15095, 51323, 214349, 256615, 1071745, 3643933, 18219665]

約数ペア:

[(1, 18219665), (5, 3643933), (17, 1071745), (71, 256615), (85, 214349), (355, 51323), (1207, 15095), (3019, 6035)]