19055720

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1327}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 23971480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1327, 1436, 1795, 2654, 2872, 3590, 5308, 6635, 7180, 10616, 13270, 14360, 26540, 53080, 476393, 952786, 1905572, 2381965, 3811144, 4763930, 9527860, 19055720]

約数ペア:

[(1, 19055720), (2, 9527860), (4, 4763930), (5, 3811144), (8, 2381965), (10, 1905572), (20, 952786), (40, 476393), (359, 53080), (718, 26540), (1327, 14360), (1436, 13270), (1795, 10616), (2654, 7180), (2872, 6635), (3590, 5308)]