2018656520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{11701}}^1$

素因数の和:11958

約数の個数: 64

約数和(自身を含む): 4802500800

約数和(自身を除く): 2783844280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 227, 380, 454, 760, 908, 1135, 1816, 2270, 4313, 4540, 8626, 9080, 11701, 17252, 21565, 23402, 34504, 43130, 46804, 58505, 86260, 93608, 117010, 172520, 222319, 234020, 444638, 468040, 889276, 1111595, 1778552, 2223190, 2656127, 4446380, 5312254, 8892760, 10624508, 13280635, 21249016, 26561270, 50466413, 53122540, 100932826, 106245080, 201865652, 252332065, 403731304, 504664130, 1009328260, 2018656520]

約数ペア:

[(1, 2018656520), (2, 1009328260), (4, 504664130), (5, 403731304), (8, 252332065), (10, 201865652), (19, 106245080), (20, 100932826), (38, 53122540), (40, 50466413), (76, 26561270), (95, 21249016), (152, 13280635), (190, 10624508), (227, 8892760), (380, 5312254), (454, 4446380), (760, 2656127), (908, 2223190), (1135, 1778552), (1816, 1111595), (2270, 889276), (4313, 468040), (4540, 444638), (8626, 234020), (9080, 222319), (11701, 172520), (17252, 117010), (21565, 93608), (23402, 86260), (34504, 58505), (43130, 46804)]