18944579918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{6581}}^1$

素因数の和:6833

約数の個数: 64

約数和(自身を含む): 33779877120

約数和(自身を除く): 14835297202

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 179, 187, 358, 374, 473, 731, 946, 1462, 1969, 3043, 3938, 6086, 6581, 7697, 8041, 13162, 15394, 16082, 33473, 66946, 72391, 84667, 111877, 130849, 144782, 169334, 223754, 261698, 282983, 565966, 1177999, 1230647, 1439339, 2355998, 2461294, 2878678, 3112813, 4810711, 6225626, 9621422, 12957989, 20025983, 25915978, 40051966, 50653957, 52917821, 101307914, 105835642, 220285813, 440571626, 557193527, 861117269, 1114387054, 1722234538, 9472289959, 18944579918]

約数ペア:

[(1, 18944579918), (2, 9472289959), (11, 1722234538), (17, 1114387054), (22, 861117269), (34, 557193527), (43, 440571626), (86, 220285813), (179, 105835642), (187, 101307914), (358, 52917821), (374, 50653957), (473, 40051966), (731, 25915978), (946, 20025983), (1462, 12957989), (1969, 9621422), (3043, 6225626), (3938, 4810711), (6086, 3112813), (6581, 2878678), (7697, 2461294), (8041, 2355998), (13162, 1439339), (15394, 1230647), (16082, 1177999), (33473, 565966), (66946, 282983), (72391, 261698), (84667, 223754), (111877, 169334), (130849, 144782)]