18495818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3323}}^1$

素因数の和:3370

約数の個数: 24

約数和(自身を含む): 31830624

約数和(自身を除く): 13334806

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3323, 5566, 6646, 36553, 73106, 76429, 152858, 402083, 804166, 840719, 1681438, 9247909, 18495818]

約数ペア:

[(1, 18495818), (2, 9247909), (11, 1681438), (22, 840719), (23, 804166), (46, 402083), (121, 152858), (242, 76429), (253, 73106), (506, 36553), (2783, 6646), (3323, 5566)]