18166480

素因数分解:

$2^4\times 5^1\times {\mathrm{227081}}^1$

素因数の和:227094

約数の個数: 20

約数和(自身を含む): 42237252

約数和(自身を除く): 24070772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227081, 454162, 908324, 1135405, 1816648, 2270810, 3633296, 4541620, 9083240, 18166480]

約数ペア:

[(1, 18166480), (2, 9083240), (4, 4541620), (5, 3633296), (8, 2270810), (10, 1816648), (16, 1135405), (20, 908324), (40, 454162), (80, 227081)]