18170480

素因数分解:

$2^4\times 5^1\times {\mathrm{227131}}^1$

素因数の和:227144

約数の個数: 20

約数和(自身を含む): 42246552

約数和(自身を除く): 24076072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227131, 454262, 908524, 1135655, 1817048, 2271310, 3634096, 4542620, 9085240, 18170480]

約数ペア:

[(1, 18170480), (2, 9085240), (4, 4542620), (5, 3634096), (8, 2271310), (10, 1817048), (16, 1135655), (20, 908524), (40, 454262), (80, 227131)]