19482520

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{853}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 43963920

約数和(自身を除く): 24481400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 853, 1142, 1706, 2284, 2855, 3412, 4265, 4568, 5710, 6824, 8530, 11420, 17060, 22840, 34120, 487063, 974126, 1948252, 2435315, 3896504, 4870630, 9741260, 19482520]

約数ペア:

[(1, 19482520), (2, 9741260), (4, 4870630), (5, 3896504), (8, 2435315), (10, 1948252), (20, 974126), (40, 487063), (571, 34120), (853, 22840), (1142, 17060), (1706, 11420), (2284, 8530), (2855, 6824), (3412, 5710), (4265, 4568)]