18051649

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 23195808

約数和(自身を除く): 5144159

約数列:

[1, 7, 11, 49, 77, 107, 313, 539, 749, 1177, 2191, 3443, 5243, 8239, 15337, 24101, 33491, 57673, 168707, 234437, 368401, 1641059, 2578807, 18051649]

約数ペア:

[(1, 18051649), (7, 2578807), (11, 1641059), (49, 368401), (77, 234437), (107, 168707), (313, 57673), (539, 33491), (749, 24101), (1177, 15337), (2191, 8239), (3443, 5243)]