18508347

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 31999968

約数和(自身を除く): 13491621

約数列:

[1, 3, 9, 11, 13, 33, 39, 73, 99, 117, 143, 197, 219, 429, 591, 657, 803, 949, 1287, 1773, 2167, 2409, 2561, 2847, 6501, 7227, 7683, 8541, 10439, 14381, 19503, 23049, 28171, 31317, 43143, 84513, 93951, 129429, 158191, 186953, 253539, 474573, 560859, 1423719, 1682577, 2056483, 6169449, 18508347]

約数ペア:

[(1, 18508347), (3, 6169449), (9, 2056483), (11, 1682577), (13, 1423719), (33, 560859), (39, 474573), (73, 253539), (99, 186953), (117, 158191), (143, 129429), (197, 93951), (219, 84513), (429, 43143), (591, 31317), (657, 28171), (803, 23049), (949, 19503), (1287, 14381), (1773, 10439), (2167, 8541), (2409, 7683), (2561, 7227), (2847, 6501)]