19489085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9928387

約数列:

[1, 5, 7, 11, 35, 55, 77, 223, 227, 385, 1115, 1135, 1561, 1589, 2453, 2497, 7805, 7945, 12265, 12485, 17171, 17479, 50621, 85855, 87395, 253105, 354347, 556831, 1771735, 2784155, 3897817, 19489085]

約数ペア:

[(1, 19489085), (5, 3897817), (7, 2784155), (11, 1771735), (35, 556831), (55, 354347), (77, 253105), (223, 87395), (227, 85855), (385, 50621), (1115, 17479), (1135, 17171), (1561, 12485), (1589, 12265), (2453, 7945), (2497, 7805)]