11870019

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 20779200

約数和(自身を除く): 8909181

約数列:

[1, 3, 7, 9, 21, 29, 63, 73, 87, 89, 203, 219, 261, 267, 511, 609, 623, 657, 801, 1533, 1827, 1869, 2117, 2581, 4599, 5607, 6351, 6497, 7743, 14819, 18067, 19053, 19491, 23229, 44457, 45479, 54201, 58473, 133371, 136437, 162603, 188413, 409311, 565239, 1318891, 1695717, 3956673, 11870019]

約数ペア:

[(1, 11870019), (3, 3956673), (7, 1695717), (9, 1318891), (21, 565239), (29, 409311), (63, 188413), (73, 162603), (87, 136437), (89, 133371), (203, 58473), (219, 54201), (261, 45479), (267, 44457), (511, 23229), (609, 19491), (623, 19053), (657, 18067), (801, 14819), (1533, 7743), (1827, 6497), (1869, 6351), (2117, 5607), (2581, 4599)]