16389890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4027}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 33061824

約数和(自身を除く): 16671934

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4027, 4070, 8054, 20135, 40270, 44297, 88594, 148999, 221485, 297998, 442970, 744995, 1489990, 1638989, 3277978, 8194945, 16389890]

約数ペア:

[(1, 16389890), (2, 8194945), (5, 3277978), (10, 1638989), (11, 1489990), (22, 744995), (37, 442970), (55, 297998), (74, 221485), (110, 148999), (185, 88594), (370, 44297), (407, 40270), (814, 20135), (2035, 8054), (4027, 4070)]