18917190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210191}}^1$

素因数の和:210204

約数の個数: 24

約数和(自身を含む): 49184928

約数和(自身を除く): 30267738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210191, 420382, 630573, 1050955, 1261146, 1891719, 2101910, 3152865, 3783438, 6305730, 9458595, 18917190]

約数ペア:

[(1, 18917190), (2, 9458595), (3, 6305730), (5, 3783438), (6, 3152865), (9, 2101910), (10, 1891719), (15, 1261146), (18, 1050955), (30, 630573), (45, 420382), (90, 210191)]