19041540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45337}}^1$

素因数の和:45356

約数の個数: 48

約数和(自身を含む): 60934272

約数和(自身を除く): 41892732

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, 45337, 90674, 136011, 181348, 226685, 272022, 317359, 453370, 544044, 634718, 680055, 906740, 952077, 1269436, 1360110, 1586795, 1904154, 2720220, 3173590, 3808308, 4760385, 6347180, 9520770, 19041540]

約数ペア:

[(1, 19041540), (2, 9520770), (3, 6347180), (4, 4760385), (5, 3808308), (6, 3173590), (7, 2720220), (10, 1904154), (12, 1586795), (14, 1360110), (15, 1269436), (20, 952077), (21, 906740), (28, 680055), (30, 634718), (35, 544044), (42, 453370), (60, 317359), (70, 272022), (84, 226685), (105, 181348), (140, 136011), (210, 90674), (420, 45337)]