19504828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 42061824

約数和(自身を除く): 22556996

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 977, 1426, 1954, 2852, 3908, 4991, 6839, 9982, 13678, 19964, 22471, 27356, 30287, 44942, 60574, 89884, 121148, 157297, 212009, 314594, 424018, 629188, 696601, 848036, 1393202, 2786404, 4876207, 9752414, 19504828]

約数ペア:

[(1, 19504828), (2, 9752414), (4, 4876207), (7, 2786404), (14, 1393202), (23, 848036), (28, 696601), (31, 629188), (46, 424018), (62, 314594), (92, 212009), (124, 157297), (161, 121148), (217, 89884), (322, 60574), (434, 44942), (644, 30287), (713, 27356), (868, 22471), (977, 19964), (1426, 13678), (1954, 9982), (2852, 6839), (3908, 4991)]