18502568

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2377}}^1$

素因数の和:2529

約数の個数: 32

約数和(自身を含む): 39950400

約数和(自身を除く): 21447832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2377, 3892, 4754, 7784, 9508, 16639, 19016, 33278, 66556, 133112, 330403, 660806, 1321612, 2312821, 2643224, 4625642, 9251284, 18502568]

約数ペア:

[(1, 18502568), (2, 9251284), (4, 4625642), (7, 2643224), (8, 2312821), (14, 1321612), (28, 660806), (56, 330403), (139, 133112), (278, 66556), (556, 33278), (973, 19016), (1112, 16639), (1946, 9508), (2377, 7784), (3892, 4754)]