19584760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37663}}^1$

素因数の和:37687

約数の個数: 32

約数和(自身を含む): 47456640

約数和(自身を除く): 27871880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37663, 75326, 150652, 188315, 301304, 376630, 489619, 753260, 979238, 1506520, 1958476, 2448095, 3916952, 4896190, 9792380, 19584760]

約数ペア:

[(1, 19584760), (2, 9792380), (4, 4896190), (5, 3916952), (8, 2448095), (10, 1958476), (13, 1506520), (20, 979238), (26, 753260), (40, 489619), (52, 376630), (65, 301304), (104, 188315), (130, 150652), (260, 75326), (520, 37663)]