18381036752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{71209}}^1$

素因数の和:71320

約数の個数: 80

約数和(自身を含む): 41165646480

約数和(自身を除く): 22784609728

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 104, 136, 146, 208, 221, 272, 292, 442, 584, 884, 949, 1168, 1241, 1768, 1898, 2482, 3536, 3796, 4964, 7592, 9928, 15184, 16133, 19856, 32266, 64532, 71209, 129064, 142418, 258128, 284836, 569672, 925717, 1139344, 1210553, 1851434, 2421106, 3702868, 4842212, 5198257, 7405736, 9684424, 10396514, 14811472, 15737189, 19368848, 20793028, 31474378, 41586056, 62948756, 67577341, 83172112, 88370369, 125897512, 135154682, 176740738, 251795024, 270309364, 353481476, 540618728, 706962952, 1081237456, 1148814797, 1413925904, 2297629594, 4595259188, 9190518376, 18381036752]

約数ペア:

[(1, 18381036752), (2, 9190518376), (4, 4595259188), (8, 2297629594), (13, 1413925904), (16, 1148814797), (17, 1081237456), (26, 706962952), (34, 540618728), (52, 353481476), (68, 270309364), (73, 251795024), (104, 176740738), (136, 135154682), (146, 125897512), (208, 88370369), (221, 83172112), (272, 67577341), (292, 62948756), (442, 41586056), (584, 31474378), (884, 20793028), (949, 19368848), (1168, 15737189), (1241, 14811472), (1768, 10396514), (1898, 9684424), (2482, 7405736), (3536, 5198257), (3796, 4842212), (4964, 3702868), (7592, 2421106), (9928, 1851434), (15184, 1210553), (16133, 1139344), (19856, 925717), (32266, 569672), (64532, 284836), (71209, 258128), (129064, 142418)]