18886864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3019}}^1$

素因数の和:3067

約数の個数: 40

約数和(自身を含む): 40443840

約数和(自身を除く): 21556976

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3019, 3128, 6038, 6256, 12076, 24152, 48304, 51323, 69437, 102646, 138874, 205292, 277748, 410584, 555496, 821168, 1110992, 1180429, 2360858, 4721716, 9443432, 18886864]

約数ペア:

[(1, 18886864), (2, 9443432), (4, 4721716), (8, 2360858), (16, 1180429), (17, 1110992), (23, 821168), (34, 555496), (46, 410584), (68, 277748), (92, 205292), (136, 138874), (184, 102646), (272, 69437), (368, 51323), (391, 48304), (782, 24152), (1564, 12076), (3019, 6256), (3128, 6038)]