18420712

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{34367}}^1$

素因数の和:34440

約数の個数: 16

約数和(自身を含む): 35055360

約数和(自身を除く): 16634648

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 34367, 68734, 137468, 274936, 2302589, 4605178, 9210356, 18420712]

約数ペア:

[(1, 18420712), (2, 9210356), (4, 4605178), (8, 2302589), (67, 274936), (134, 137468), (268, 68734), (536, 34367)]