20189766472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{9547}}^1\times {\mathrm{13913}}^1$

素因数の和:23485

約数の個数: 32

約数和(自身を含む): 39855261600

約数和(自身を除く): 19665495128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 9547, 13913, 19094, 27826, 38188, 55652, 76376, 111304, 181393, 264347, 362786, 528694, 725572, 1057388, 1451144, 2114776, 132827411, 265654822, 531309644, 1062619288, 2523720809, 5047441618, 10094883236, 20189766472]

約数ペア:

[(1, 20189766472), (2, 10094883236), (4, 5047441618), (8, 2523720809), (19, 1062619288), (38, 531309644), (76, 265654822), (152, 132827411), (9547, 2114776), (13913, 1451144), (19094, 1057388), (27826, 725572), (38188, 528694), (55652, 362786), (76376, 264347), (111304, 181393)]