18457520

素因数分解:

$2^4\times 5^1\times {\mathrm{230719}}^1$

素因数の和:230732

約数の個数: 20

約数和(自身を含む): 42913920

約数和(自身を除く): 24456400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230719, 461438, 922876, 1153595, 1845752, 2307190, 3691504, 4614380, 9228760, 18457520]

約数ペア:

[(1, 18457520), (2, 9228760), (4, 4614380), (5, 3691504), (8, 2307190), (10, 1845752), (16, 1153595), (20, 922876), (40, 461438), (80, 230719)]