18087340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7121}}^1$

素因数の和:7257

約数の個数: 24

約数和(自身を含む): 38287872

約数和(自身を除く): 20200532

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7121, 14242, 28484, 35605, 71210, 142420, 904367, 1808734, 3617468, 4521835, 9043670, 18087340]

約数ペア:

[(1, 18087340), (2, 9043670), (4, 4521835), (5, 3617468), (10, 1808734), (20, 904367), (127, 142420), (254, 71210), (508, 35605), (635, 28484), (1270, 14242), (2540, 7121)]