19990260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37019}}^1$

素因数の和:37037

約数の個数: 48

約数和(自身を含む): 62193600

約数和(自身を除く): 42203340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37019, 74038, 111057, 148076, 185095, 222114, 333171, 370190, 444228, 555285, 666342, 740380, 999513, 1110570, 1332684, 1665855, 1999026, 2221140, 3331710, 3998052, 4997565, 6663420, 9995130, 19990260]

約数ペア:

[(1, 19990260), (2, 9995130), (3, 6663420), (4, 4997565), (5, 3998052), (6, 3331710), (9, 2221140), (10, 1999026), (12, 1665855), (15, 1332684), (18, 1110570), (20, 999513), (27, 740380), (30, 666342), (36, 555285), (45, 444228), (54, 370190), (60, 333171), (90, 222114), (108, 185095), (135, 148076), (180, 111057), (270, 74038), (540, 37019)]