18897010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4643}}^1$

素因数の和:4698

約数の個数: 32

約数和(自身を含む): 38117952

約数和(自身を除く): 19220942

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4643, 9286, 23215, 46430, 51073, 102146, 171791, 255365, 343582, 510730, 858955, 1717910, 1889701, 3779402, 9448505, 18897010]

約数ペア:

[(1, 18897010), (2, 9448505), (5, 3779402), (10, 1889701), (11, 1717910), (22, 858955), (37, 510730), (55, 343582), (74, 255365), (110, 171791), (185, 102146), (370, 51073), (407, 46430), (814, 23215), (2035, 9286), (4070, 4643)]