18209296

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 43648000

約数和(自身を除く): 25438704

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 43, 56, 76, 86, 112, 133, 152, 172, 199, 266, 301, 304, 344, 398, 532, 602, 688, 796, 817, 1064, 1204, 1393, 1592, 1634, 2128, 2408, 2786, 3184, 3268, 3781, 4816, 5572, 5719, 6536, 7562, 8557, 11144, 11438, 13072, 15124, 17114, 22288, 22876, 26467, 30248, 34228, 45752, 52934, 59899, 60496, 68456, 91504, 105868, 119798, 136912, 162583, 211736, 239596, 325166, 423472, 479192, 650332, 958384, 1138081, 1300664, 2276162, 2601328, 4552324, 9104648, 18209296]

約数ペア:

[(1, 18209296), (2, 9104648), (4, 4552324), (7, 2601328), (8, 2276162), (14, 1300664), (16, 1138081), (19, 958384), (28, 650332), (38, 479192), (43, 423472), (56, 325166), (76, 239596), (86, 211736), (112, 162583), (133, 136912), (152, 119798), (172, 105868), (199, 91504), (266, 68456), (301, 60496), (304, 59899), (344, 52934), (398, 45752), (532, 34228), (602, 30248), (688, 26467), (796, 22876), (817, 22288), (1064, 17114), (1204, 15124), (1393, 13072), (1592, 11438), (1634, 11144), (2128, 8557), (2408, 7562), (2786, 6536), (3184, 5719), (3268, 5572), (3781, 4816)]