18810882

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23646078

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 82, 123, 142, 213, 246, 359, 369, 426, 639, 718, 738, 1077, 1278, 2154, 2911, 3231, 5822, 6462, 8733, 14719, 17466, 25489, 26199, 29438, 44157, 50978, 52398, 76467, 88314, 132471, 152934, 229401, 264942, 458802, 1045049, 2090098, 3135147, 6270294, 9405441, 18810882]

約数ペア:

[(1, 18810882), (2, 9405441), (3, 6270294), (6, 3135147), (9, 2090098), (18, 1045049), (41, 458802), (71, 264942), (82, 229401), (123, 152934), (142, 132471), (213, 88314), (246, 76467), (359, 52398), (369, 50978), (426, 44157), (639, 29438), (718, 26199), (738, 25489), (1077, 17466), (1278, 14719), (2154, 8733), (2911, 6462), (3231, 5822)]