18182480

素因数分解:

$2^4\times 5^1\times {\mathrm{227281}}^1$

素因数の和:227294

約数の個数: 20

約数和(自身を含む): 42274452

約数和(自身を除く): 24091972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227281, 454562, 909124, 1136405, 1818248, 2272810, 3636496, 4545620, 9091240, 18182480]

約数ペア:

[(1, 18182480), (2, 9091240), (4, 4545620), (5, 3636496), (8, 2272810), (10, 1818248), (16, 1136405), (20, 909124), (40, 454562), (80, 227281)]