19153540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136811}}^1$

素因数の和:136827

約数の個数: 24

約数和(自身を含む): 45968832

約数和(自身を除く): 26815292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136811, 273622, 547244, 684055, 957677, 1368110, 1915354, 2736220, 3830708, 4788385, 9576770, 19153540]

約数ペア:

[(1, 19153540), (2, 9576770), (4, 4788385), (5, 3830708), (7, 2736220), (10, 1915354), (14, 1368110), (20, 957677), (28, 684055), (35, 547244), (70, 273622), (140, 136811)]