18601778896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{499189}}^1$

素因数の和:499351

約数の個数: 40

約数和(自身を含む): 38439626760

約数和(自身を除く): 19837847864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 1096, 2192, 2329, 4658, 9316, 18632, 37264, 499189, 998378, 1996756, 3993512, 7987024, 8486213, 16972426, 33944852, 67889704, 68388893, 135779408, 136777786, 273555572, 547111144, 1094222288, 1162611181, 2325222362, 4650444724, 9300889448, 18601778896]

約数ペア:

[(1, 18601778896), (2, 9300889448), (4, 4650444724), (8, 2325222362), (16, 1162611181), (17, 1094222288), (34, 547111144), (68, 273555572), (136, 136777786), (137, 135779408), (272, 68388893), (274, 67889704), (548, 33944852), (1096, 16972426), (2192, 8486213), (2329, 7987024), (4658, 3993512), (9316, 1996756), (18632, 998378), (37264, 499189)]