18989852

素因数分解:

$2^2\times 7^3\times {\mathrm{13841}}^1$

素因数の和:13866

約数の個数: 24

約数和(自身を含む): 38757600

約数和(自身を除く): 19767748

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 13841, 27682, 55364, 96887, 193774, 387548, 678209, 1356418, 2712836, 4747463, 9494926, 18989852]

約数ペア:

[(1, 18989852), (2, 9494926), (4, 4747463), (7, 2712836), (14, 1356418), (28, 678209), (49, 387548), (98, 193774), (196, 96887), (343, 55364), (686, 27682), (1372, 13841)]