19190220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45691}}^1$

素因数の和:45710

約数の個数: 48

約数和(自身を含む): 61410048

約数和(自身を除く): 42219828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45691, 91382, 137073, 182764, 228455, 274146, 319837, 456910, 548292, 639674, 685365, 913820, 959511, 1279348, 1370730, 1599185, 1919022, 2741460, 3198370, 3838044, 4797555, 6396740, 9595110, 19190220]

約数ペア:

[(1, 19190220), (2, 9595110), (3, 6396740), (4, 4797555), (5, 3838044), (6, 3198370), (7, 2741460), (10, 1919022), (12, 1599185), (14, 1370730), (15, 1279348), (20, 959511), (21, 913820), (28, 685365), (30, 639674), (35, 548292), (42, 456910), (60, 319837), (70, 274146), (84, 228455), (105, 182764), (140, 137073), (210, 91382), (420, 45691)]