19097210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 18702790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1249, 1390, 1529, 2498, 3058, 6245, 7645, 12490, 13739, 15290, 27478, 68695, 137390, 173611, 347222, 868055, 1736110, 1909721, 3819442, 9548605, 19097210]

約数ペア:

[(1, 19097210), (2, 9548605), (5, 3819442), (10, 1909721), (11, 1736110), (22, 868055), (55, 347222), (110, 173611), (139, 137390), (278, 68695), (695, 27478), (1249, 15290), (1390, 13739), (1529, 12490), (2498, 7645), (3058, 6245)]