30491978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1709}}^1$

素因数の和:2533

約数の個数: 16

約数和(自身を含む): 49986720

約数和(自身を除く): 19494742

約数列:

[1, 2, 11, 22, 811, 1622, 1709, 3418, 8921, 17842, 18799, 37598, 1385999, 2771998, 15245989, 30491978]

約数ペア:

[(1, 30491978), (2, 15245989), (11, 2771998), (22, 1385999), (811, 37598), (1622, 18799), (1709, 17842), (3418, 8921)]