18875416

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8221}}^1$

素因数の和:8275

約数の個数: 32

約数和(自身を含む): 41438880

約数和(自身を除く): 22563464

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8221, 16442, 32884, 57547, 65768, 115094, 230188, 337061, 460376, 674122, 1348244, 2359427, 2696488, 4718854, 9437708, 18875416]

約数ペア:

[(1, 18875416), (2, 9437708), (4, 4718854), (7, 2696488), (8, 2359427), (14, 1348244), (28, 674122), (41, 460376), (56, 337061), (82, 230188), (164, 115094), (287, 65768), (328, 57547), (574, 32884), (1148, 16442), (2296, 8221)]