18308720

素因数分解:

$2^4\times 5^1\times {\mathrm{228859}}^1$

素因数の和:228872

約数の個数: 20

約数和(自身を含む): 42567960

約数和(自身を除く): 24259240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228859, 457718, 915436, 1144295, 1830872, 2288590, 3661744, 4577180, 9154360, 18308720]

約数ペア:

[(1, 18308720), (2, 9154360), (4, 4577180), (5, 3661744), (8, 2288590), (10, 1830872), (16, 1144295), (20, 915436), (40, 457718), (80, 228859)]