18832107

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 31829760

約数和(自身を除く): 12997653

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 107, 119, 203, 289, 321, 357, 493, 609, 749, 867, 1479, 1819, 2023, 2247, 3103, 3451, 5457, 6069, 8381, 9309, 10353, 12733, 21721, 25143, 30923, 38199, 52751, 58667, 65163, 92769, 158253, 176001, 216461, 369257, 649383, 896767, 1107771, 2690301, 6277369, 18832107]

約数ペア:

[(1, 18832107), (3, 6277369), (7, 2690301), (17, 1107771), (21, 896767), (29, 649383), (51, 369257), (87, 216461), (107, 176001), (119, 158253), (203, 92769), (289, 65163), (321, 58667), (357, 52751), (493, 38199), (609, 30923), (749, 25143), (867, 21721), (1479, 12733), (1819, 10353), (2023, 9309), (2247, 8381), (3103, 6069), (3451, 5457)]