18990056

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{18691}}^1$

素因数の和:18824

約数の個数: 16

約数和(自身を含む): 35888640

約数和(自身を除く): 16898584

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 18691, 37382, 74764, 149528, 2373757, 4747514, 9495028, 18990056]

約数ペア:

[(1, 18990056), (2, 9495028), (4, 4747514), (8, 2373757), (127, 149528), (254, 74764), (508, 37382), (1016, 18691)]