18646263

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2663

約数の個数: 24

約数和(自身を含む): 29135808

約数和(自身を除く): 10489545

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2593, 7191, 7779, 23337, 44081, 121871, 132243, 365613, 396729, 1096839, 2071807, 6215421, 18646263]

約数ペア:

[(1, 18646263), (3, 6215421), (9, 2071807), (17, 1096839), (47, 396729), (51, 365613), (141, 132243), (153, 121871), (423, 44081), (799, 23337), (2397, 7779), (2593, 7191)]