18931192

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1087}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 40734720

約数和(自身を除く): 21803528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1087, 1244, 2174, 2177, 2488, 4348, 4354, 7609, 8696, 8708, 15218, 17416, 30436, 60872, 338057, 676114, 1352228, 2366399, 2704456, 4732798, 9465596, 18931192]

約数ペア:

[(1, 18931192), (2, 9465596), (4, 4732798), (7, 2704456), (8, 2366399), (14, 1352228), (28, 676114), (56, 338057), (311, 60872), (622, 30436), (1087, 17416), (1244, 15218), (2174, 8708), (2177, 8696), (2488, 7609), (4348, 4354)]