18407816

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1721}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 21267064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1721, 2674, 3442, 5348, 6884, 10696, 12047, 13768, 24094, 48188, 96376, 328711, 657422, 1314844, 2300977, 2629688, 4601954, 9203908, 18407816]

約数ペア:

[(1, 18407816), (2, 9203908), (4, 4601954), (7, 2629688), (8, 2300977), (14, 1314844), (28, 657422), (56, 328711), (191, 96376), (382, 48188), (764, 24094), (1337, 13768), (1528, 12047), (1721, 10696), (2674, 6884), (3442, 5348)]