19944554

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 35495040

約数和(自身を除く): 15550486

約数列:

[1, 2, 7, 14, 37, 74, 139, 259, 277, 278, 518, 554, 973, 1939, 1946, 3878, 5143, 10249, 10286, 20498, 36001, 38503, 71743, 72002, 77006, 143486, 269521, 539042, 1424611, 2849222, 9972277, 19944554]

約数ペア:

[(1, 19944554), (2, 9972277), (7, 2849222), (14, 1424611), (37, 539042), (74, 269521), (139, 143486), (259, 77006), (277, 72002), (278, 71743), (518, 38503), (554, 36001), (973, 20498), (1939, 10286), (1946, 10249), (3878, 5143)]