19388872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 37540800

約数和(自身を除く): 18151928

約数列:

[1, 2, 4, 8, 43, 86, 157, 172, 314, 344, 359, 628, 718, 1256, 1436, 2872, 6751, 13502, 15437, 27004, 30874, 54008, 56363, 61748, 112726, 123496, 225452, 450904, 2423609, 4847218, 9694436, 19388872]

約数ペア:

[(1, 19388872), (2, 9694436), (4, 4847218), (8, 2423609), (43, 450904), (86, 225452), (157, 123496), (172, 112726), (314, 61748), (344, 56363), (359, 54008), (628, 30874), (718, 27004), (1256, 15437), (1436, 13502), (2872, 6751)]