18615856

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{479}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 41425920

約数和(自身を除く): 22810064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 479, 694, 958, 1388, 1916, 2429, 2776, 3353, 3832, 4858, 5552, 6706, 7664, 9716, 13412, 19432, 26824, 38864, 53648, 166213, 332426, 664852, 1163491, 1329704, 2326982, 2659408, 4653964, 9307928, 18615856]

約数ペア:

[(1, 18615856), (2, 9307928), (4, 4653964), (7, 2659408), (8, 2326982), (14, 1329704), (16, 1163491), (28, 664852), (56, 332426), (112, 166213), (347, 53648), (479, 38864), (694, 26824), (958, 19432), (1388, 13412), (1916, 9716), (2429, 7664), (2776, 6706), (3353, 5552), (3832, 4858)]