19928337

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 32532864

約数和(自身を除く): 12604527

約数列:

[1, 3, 11, 13, 33, 39, 41, 103, 121, 123, 143, 309, 363, 429, 451, 533, 1133, 1339, 1353, 1573, 1599, 3399, 4017, 4223, 4719, 4961, 5863, 12463, 12669, 14729, 14883, 17589, 37389, 44187, 46453, 54899, 64493, 139359, 162019, 164697, 193479, 486057, 510983, 603889, 1532949, 1811667, 6642779, 19928337]

約数ペア:

[(1, 19928337), (3, 6642779), (11, 1811667), (13, 1532949), (33, 603889), (39, 510983), (41, 486057), (103, 193479), (121, 164697), (123, 162019), (143, 139359), (309, 64493), (363, 54899), (429, 46453), (451, 44187), (533, 37389), (1133, 17589), (1339, 14883), (1353, 14729), (1573, 12669), (1599, 12463), (3399, 5863), (4017, 4961), (4223, 4719)]