19943756

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10631}}^1$

素因数の和:10709

約数の個数: 24

約数和(自身を含む): 40486656

約数和(自身を除く): 20542900

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10631, 21262, 42524, 74417, 148834, 297668, 712277, 1424554, 2849108, 4985939, 9971878, 19943756]

約数ペア:

[(1, 19943756), (2, 9971878), (4, 4985939), (7, 2849108), (14, 1424554), (28, 712277), (67, 297668), (134, 148834), (268, 74417), (469, 42524), (938, 21262), (1876, 10631)]