19906121378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{388837}}^1$

素因数の和:389042

約数の個数: 32

約数和(自身を含む): 35275383360

約数和(自身を除く): 15369261982

約数列:

[1, 2, 11, 13, 22, 26, 143, 179, 286, 358, 1969, 2327, 3938, 4654, 25597, 51194, 388837, 777674, 4277207, 5054881, 8554414, 10109762, 55603691, 69601823, 111207382, 139203646, 765620053, 904823699, 1531240106, 1809647398, 9953060689, 19906121378]

約数ペア:

[(1, 19906121378), (2, 9953060689), (11, 1809647398), (13, 1531240106), (22, 904823699), (26, 765620053), (143, 139203646), (179, 111207382), (286, 69601823), (358, 55603691), (1969, 10109762), (2327, 8554414), (3938, 5054881), (4654, 4277207), (25597, 777674), (51194, 388837)]