19842660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110237}}^1$

素因数の和:110252

約数の個数: 36

約数和(自身を含む): 60189948

約数和(自身を除く): 40347288

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110237, 220474, 330711, 440948, 551185, 661422, 992133, 1102370, 1322844, 1653555, 1984266, 2204740, 3307110, 3968532, 4960665, 6614220, 9921330, 19842660]

約数ペア:

[(1, 19842660), (2, 9921330), (3, 6614220), (4, 4960665), (5, 3968532), (6, 3307110), (9, 2204740), (10, 1984266), (12, 1653555), (15, 1322844), (18, 1102370), (20, 992133), (30, 661422), (36, 551185), (45, 440948), (60, 330711), (90, 220474), (180, 110237)]