18128668850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{61547}}^1$

素因数の和:61739

約数の個数: 48

約数和(自身を含む): 34755909408

約数和(自身を除く): 16627240558

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 137, 215, 274, 430, 685, 1075, 1370, 2150, 3425, 5891, 6850, 11782, 29455, 58910, 61547, 123094, 147275, 294550, 307735, 615470, 1538675, 2646521, 3077350, 5293042, 8431939, 13232605, 16863878, 26465210, 42159695, 66163025, 84319390, 132326050, 210798475, 362573377, 421596950, 725146754, 1812866885, 3625733770, 9064334425, 18128668850]

約数ペア:

[(1, 18128668850), (2, 9064334425), (5, 3625733770), (10, 1812866885), (25, 725146754), (43, 421596950), (50, 362573377), (86, 210798475), (137, 132326050), (215, 84319390), (274, 66163025), (430, 42159695), (685, 26465210), (1075, 16863878), (1370, 13232605), (2150, 8431939), (3425, 5293042), (5891, 3077350), (6850, 2646521), (11782, 1538675), (29455, 615470), (58910, 307735), (61547, 294550), (123094, 147275)]