19406680

素因数分解:

$2^3\times 5^1\times {\mathrm{485167}}^1$

素因数の和:485178

約数の個数: 16

約数和(自身を含む): 43665120

約数和(自身を除く): 24258440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485167, 970334, 1940668, 2425835, 3881336, 4851670, 9703340, 19406680]

約数ペア:

[(1, 19406680), (2, 9703340), (4, 4851670), (5, 3881336), (8, 2425835), (10, 1940668), (20, 970334), (40, 485167)]