18263620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31489}}^1$

素因数の和:31527

約数の個数: 24

約数和(自身を含む): 39677400

約数和(自身を除く): 21413780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31489, 62978, 125956, 157445, 314890, 629780, 913181, 1826362, 3652724, 4565905, 9131810, 18263620]

約数ペア:

[(1, 18263620), (2, 9131810), (4, 4565905), (5, 3652724), (10, 1826362), (20, 913181), (29, 629780), (58, 314890), (116, 157445), (145, 125956), (290, 62978), (580, 31489)]