18408996

素因数分解:

$2^2\times 3^2\times {\mathrm{511361}}^1$

素因数の和:511371

約数の個数: 18

約数和(自身を含む): 46533942

約数和(自身を除く): 28124946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 511361, 1022722, 1534083, 2045444, 3068166, 4602249, 6136332, 9204498, 18408996]

約数ペア:

[(1, 18408996), (2, 9204498), (3, 6136332), (4, 4602249), (6, 3068166), (9, 2045444), (12, 1534083), (18, 1022722), (36, 511361)]