19789902

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 47204352

約数和(自身を除く): 27414450

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 127, 198, 254, 381, 762, 787, 1143, 1397, 1574, 2286, 2361, 2794, 4191, 4722, 7083, 8382, 8657, 12573, 14166, 17314, 25146, 25971, 51942, 77913, 99949, 155826, 199898, 299847, 599694, 899541, 1099439, 1799082, 2198878, 3298317, 6596634, 9894951, 19789902]

約数ペア:

[(1, 19789902), (2, 9894951), (3, 6596634), (6, 3298317), (9, 2198878), (11, 1799082), (18, 1099439), (22, 899541), (33, 599694), (66, 299847), (99, 199898), (127, 155826), (198, 99949), (254, 77913), (381, 51942), (762, 25971), (787, 25146), (1143, 17314), (1397, 14166), (1574, 12573), (2286, 8657), (2361, 8382), (2794, 7083), (4191, 4722)]