18227638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 35707392

約数和(自身を除く): 17479754

約数列:

[1, 2, 11, 13, 17, 22, 23, 26, 34, 46, 143, 163, 187, 221, 253, 286, 299, 326, 374, 391, 442, 506, 598, 782, 1793, 2119, 2431, 2771, 3289, 3586, 3749, 4238, 4301, 4862, 5083, 5542, 6578, 7498, 8602, 10166, 23309, 30481, 36023, 41239, 46618, 48737, 55913, 60962, 63733, 72046, 82478, 97474, 111826, 127466, 396253, 536107, 701063, 792506, 828529, 1072214, 1402126, 1657058, 9113819, 18227638]

約数ペア:

[(1, 18227638), (2, 9113819), (11, 1657058), (13, 1402126), (17, 1072214), (22, 828529), (23, 792506), (26, 701063), (34, 536107), (46, 396253), (143, 127466), (163, 111826), (187, 97474), (221, 82478), (253, 72046), (286, 63733), (299, 60962), (326, 55913), (374, 48737), (391, 46618), (442, 41239), (506, 36023), (598, 30481), (782, 23309), (1793, 10166), (2119, 8602), (2431, 7498), (2771, 6578), (3289, 5542), (3586, 5083), (3749, 4862), (4238, 4301)]