18268195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 6946781

約数列:

[1, 5, 11, 37, 47, 55, 185, 191, 235, 407, 517, 955, 1739, 2035, 2101, 2585, 7067, 8695, 8977, 10505, 19129, 35335, 44885, 77737, 95645, 98747, 332149, 388685, 493735, 1660745, 3653639, 18268195]

約数ペア:

[(1, 18268195), (5, 3653639), (11, 1660745), (37, 493735), (47, 388685), (55, 332149), (185, 98747), (191, 95645), (235, 77737), (407, 44885), (517, 35335), (955, 19129), (1739, 10505), (2035, 8977), (2101, 8695), (2585, 7067)]