19539990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{217111}}^1$

素因数の和:217124

約数の個数: 24

約数和(自身を含む): 50804208

約数和(自身を除く): 31264218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 217111, 434222, 651333, 1085555, 1302666, 1953999, 2171110, 3256665, 3907998, 6513330, 9769995, 19539990]

約数ペア:

[(1, 19539990), (2, 9769995), (3, 6513330), (5, 3907998), (6, 3256665), (9, 2171110), (10, 1953999), (15, 1302666), (18, 1085555), (30, 651333), (45, 434222), (90, 217111)]