20180858536

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{6247}}^1$

素因数の和:6554

約数の個数: 64

約数和(自身を含む): 40118158080

約数和(自身を除く): 19937299544

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 181, 184, 194, 362, 388, 724, 776, 1448, 2231, 4163, 4462, 6247, 8326, 8924, 12494, 16652, 17557, 17848, 24988, 33304, 35114, 49976, 70228, 140456, 143681, 287362, 403811, 574724, 605959, 807622, 1130707, 1149448, 1211918, 1615244, 2261414, 2423836, 3230488, 4522828, 4847672, 9045656, 13937057, 26006261, 27874114, 52012522, 55748228, 104025044, 109678579, 111496456, 208050088, 219357158, 438714316, 877428632, 2522607317, 5045214634, 10090429268, 20180858536]

約数ペア:

[(1, 20180858536), (2, 10090429268), (4, 5045214634), (8, 2522607317), (23, 877428632), (46, 438714316), (92, 219357158), (97, 208050088), (181, 111496456), (184, 109678579), (194, 104025044), (362, 55748228), (388, 52012522), (724, 27874114), (776, 26006261), (1448, 13937057), (2231, 9045656), (4163, 4847672), (4462, 4522828), (6247, 3230488), (8326, 2423836), (8924, 2261414), (12494, 1615244), (16652, 1211918), (17557, 1149448), (17848, 1130707), (24988, 807622), (33304, 605959), (35114, 574724), (49976, 403811), (70228, 287362), (140456, 143681)]