18515826

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{2999}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 46800000

約数和(自身を除く): 28284174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 2999, 3087, 5998, 6174, 8997, 17994, 20993, 26991, 41986, 53982, 62979, 125958, 146951, 188937, 293902, 377874, 440853, 881706, 1028657, 1322559, 2057314, 2645118, 3085971, 6171942, 9257913, 18515826]

約数ペア:

[(1, 18515826), (2, 9257913), (3, 6171942), (6, 3085971), (7, 2645118), (9, 2057314), (14, 1322559), (18, 1028657), (21, 881706), (42, 440853), (49, 377874), (63, 293902), (98, 188937), (126, 146951), (147, 125958), (294, 62979), (343, 53982), (441, 41986), (686, 26991), (882, 20993), (1029, 17994), (2058, 8997), (2999, 6174), (3087, 5998)]