15180886

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 28892160

約数和(自身を除く): 13711274

約数列:

[1, 2, 7, 14, 19, 31, 38, 49, 62, 98, 133, 217, 263, 266, 434, 526, 589, 931, 1178, 1519, 1841, 1862, 3038, 3682, 4123, 4997, 8153, 8246, 9994, 12887, 16306, 25774, 28861, 34979, 57071, 57722, 69958, 114142, 154907, 244853, 309814, 399497, 489706, 798994, 1084349, 2168698, 7590443, 15180886]

約数ペア:

[(1, 15180886), (2, 7590443), (7, 2168698), (14, 1084349), (19, 798994), (31, 489706), (38, 399497), (49, 309814), (62, 244853), (98, 154907), (133, 114142), (217, 69958), (263, 57722), (266, 57071), (434, 34979), (526, 28861), (589, 25774), (931, 16306), (1178, 12887), (1519, 9994), (1841, 8246), (1862, 8153), (3038, 4997), (3682, 4123)]