16638376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 35769600

約数和(自身を除く): 19131224

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 137, 152, 188, 274, 323, 376, 548, 646, 799, 893, 1096, 1292, 1598, 1786, 2329, 2584, 2603, 3196, 3572, 4658, 5206, 6392, 6439, 7144, 9316, 10412, 12878, 15181, 18632, 20824, 25756, 30362, 44251, 51512, 60724, 88502, 109463, 121448, 122341, 177004, 218926, 244682, 354008, 437852, 489364, 875704, 978728, 2079797, 4159594, 8319188, 16638376]

約数ペア:

[(1, 16638376), (2, 8319188), (4, 4159594), (8, 2079797), (17, 978728), (19, 875704), (34, 489364), (38, 437852), (47, 354008), (68, 244682), (76, 218926), (94, 177004), (136, 122341), (137, 121448), (152, 109463), (188, 88502), (274, 60724), (323, 51512), (376, 44251), (548, 30362), (646, 25756), (799, 20824), (893, 18632), (1096, 15181), (1292, 12878), (1598, 10412), (1786, 9316), (2329, 7144), (2584, 6439), (2603, 6392), (3196, 5206), (3572, 4658)]