18080706

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 42599520

約数和(自身を除く): 24518814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 691, 1246, 1382, 1869, 2073, 3738, 4146, 4361, 4837, 8722, 9674, 13083, 14511, 26166, 29022, 33859, 61499, 67718, 101577, 122998, 184497, 203154, 368994, 430493, 860986, 1291479, 2582958, 3013451, 6026902, 9040353, 18080706]

約数ペア:

[(1, 18080706), (2, 9040353), (3, 6026902), (6, 3013451), (7, 2582958), (14, 1291479), (21, 860986), (42, 430493), (49, 368994), (89, 203154), (98, 184497), (147, 122998), (178, 101577), (267, 67718), (294, 61499), (534, 33859), (623, 29022), (691, 26166), (1246, 14511), (1382, 13083), (1869, 9674), (2073, 8722), (3738, 4837), (4146, 4361)]