18206776

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2339}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 21105224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2339, 3892, 4678, 7784, 9356, 16373, 18712, 32746, 65492, 130984, 325121, 650242, 1300484, 2275847, 2600968, 4551694, 9103388, 18206776]

約数ペア:

[(1, 18206776), (2, 9103388), (4, 4551694), (7, 2600968), (8, 2275847), (14, 1300484), (28, 650242), (56, 325121), (139, 130984), (278, 65492), (556, 32746), (973, 18712), (1112, 16373), (1946, 9356), (2339, 7784), (3892, 4678)]