19611660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1051}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 55141632

約数和(自身を除く): 35529972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1051, 1244, 1555, 1866, 2102, 3110, 3153, 3732, 4204, 4665, 5255, 6220, 6306, 9330, 10510, 12612, 15765, 18660, 21020, 31530, 63060, 326861, 653722, 980583, 1307444, 1634305, 1961166, 3268610, 3922332, 4902915, 6537220, 9805830, 19611660]

約数ペア:

[(1, 19611660), (2, 9805830), (3, 6537220), (4, 4902915), (5, 3922332), (6, 3268610), (10, 1961166), (12, 1634305), (15, 1307444), (20, 980583), (30, 653722), (60, 326861), (311, 63060), (622, 31530), (933, 21020), (1051, 18660), (1244, 15765), (1555, 12612), (1866, 10510), (2102, 9330), (3110, 6306), (3153, 6220), (3732, 5255), (4204, 4665)]