18543772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 37057720

約数和(自身を除く): 18513948

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 137, 247, 274, 494, 548, 988, 1781, 2603, 3562, 5206, 7124, 10412, 18769, 33839, 37538, 67678, 75076, 135356, 243997, 356611, 487994, 713222, 975988, 1426444, 4635943, 9271886, 18543772]

約数ペア:

[(1, 18543772), (2, 9271886), (4, 4635943), (13, 1426444), (19, 975988), (26, 713222), (38, 487994), (52, 356611), (76, 243997), (137, 135356), (247, 75076), (274, 67678), (494, 37538), (548, 33839), (988, 18769), (1781, 10412), (2603, 7124), (3562, 5206)]