19796168

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8221}}^1$

素因数の和:8277

約数の個数: 32

約数和(自身を含む): 43412160

約数和(自身を除く): 23615992

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8221, 16442, 32884, 57547, 65768, 115094, 230188, 353503, 460376, 707006, 1414012, 2474521, 2828024, 4949042, 9898084, 19796168]

約数ペア:

[(1, 19796168), (2, 9898084), (4, 4949042), (7, 2828024), (8, 2474521), (14, 1414012), (28, 707006), (43, 460376), (56, 353503), (86, 230188), (172, 115094), (301, 65768), (344, 57547), (602, 32884), (1204, 16442), (2408, 8221)]