18318153

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1987}}^1$

素因数の和:2436

約数の個数: 16

約数和(自身を含む): 27991040

約数和(自身を除く): 9672887

約数列:

[1, 3, 7, 21, 439, 1317, 1987, 3073, 5961, 9219, 13909, 41727, 872293, 2616879, 6106051, 18318153]

約数ペア:

[(1, 18318153), (3, 6106051), (7, 2616879), (21, 872293), (439, 41727), (1317, 13909), (1987, 9219), (3073, 5961)]