2018298884

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1\times {\mathrm{997}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 4072223232

約数和(自身を除く): 2053924348

約数列:

[1, 2, 4, 7, 14, 28, 197, 367, 394, 734, 788, 997, 1379, 1468, 1994, 2569, 2758, 3988, 5138, 5516, 6979, 10276, 13958, 27916, 72299, 144598, 196409, 289196, 365899, 392818, 506093, 731798, 785636, 1012186, 1374863, 1463596, 2024372, 2561293, 2749726, 5122586, 5499452, 10245172, 72082103, 144164206, 288328412, 504574721, 1009149442, 2018298884]

約数ペア:

[(1, 2018298884), (2, 1009149442), (4, 504574721), (7, 288328412), (14, 144164206), (28, 72082103), (197, 10245172), (367, 5499452), (394, 5122586), (734, 2749726), (788, 2561293), (997, 2024372), (1379, 1463596), (1468, 1374863), (1994, 1012186), (2569, 785636), (2758, 731798), (3988, 506093), (5138, 392818), (5516, 365899), (6979, 289196), (10276, 196409), (13958, 144598), (27916, 72299)]