2018819752

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 3961386000

約数和(自身を除く): 1942566248

約数列:

[1, 2, 4, 8, 37, 74, 89, 148, 178, 197, 296, 356, 389, 394, 712, 778, 788, 1556, 1576, 3112, 3293, 6586, 7289, 13172, 14393, 14578, 17533, 26344, 28786, 29156, 34621, 35066, 57572, 58312, 69242, 70132, 76633, 115144, 138484, 140264, 153266, 276968, 306532, 613064, 648721, 1280977, 1297442, 2561954, 2594884, 2835421, 5123908, 5189768, 5670842, 6820337, 10247816, 11341684, 13640674, 22683368, 27281348, 54562696, 252352469, 504704938, 1009409876, 2018819752]

約数ペア:

[(1, 2018819752), (2, 1009409876), (4, 504704938), (8, 252352469), (37, 54562696), (74, 27281348), (89, 22683368), (148, 13640674), (178, 11341684), (197, 10247816), (296, 6820337), (356, 5670842), (389, 5189768), (394, 5123908), (712, 2835421), (778, 2594884), (788, 2561954), (1556, 1297442), (1576, 1280977), (3112, 648721), (3293, 613064), (6586, 306532), (7289, 276968), (13172, 153266), (14393, 140264), (14578, 138484), (17533, 115144), (26344, 76633), (28786, 70132), (29156, 69242), (34621, 58312), (35066, 57572)]