18896938

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 24

約数和(自身を含む): 30280068

約数和(自身を除く): 11383130

約数列:

[1, 2, 23, 46, 53, 106, 337, 529, 674, 1058, 1219, 2438, 7751, 15502, 17861, 28037, 35722, 56074, 178273, 356546, 410803, 821606, 9448469, 18896938]

約数ペア:

[(1, 18896938), (2, 9448469), (23, 821606), (46, 410803), (53, 356546), (106, 178273), (337, 56074), (529, 35722), (674, 28037), (1058, 17861), (1219, 15502), (2438, 7751)]