18671865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 13831815

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 1979, 3145, 5937, 9435, 9895, 29685, 33643, 73223, 100929, 168215, 219669, 366115, 504645, 1098345, 1244791, 3734373, 6223955, 18671865]

約数ペア:

[(1, 18671865), (3, 6223955), (5, 3734373), (15, 1244791), (17, 1098345), (37, 504645), (51, 366115), (85, 219669), (111, 168215), (185, 100929), (255, 73223), (555, 33643), (629, 29685), (1887, 9895), (1979, 9435), (3145, 5937)]