19611460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 45440640

約数和(自身を除く): 25829180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 919, 970, 1067, 1838, 1940, 2134, 3676, 4268, 4595, 5335, 9190, 10109, 10670, 18380, 20218, 21340, 40436, 50545, 89143, 101090, 178286, 202180, 356572, 445715, 891430, 980573, 1782860, 1961146, 3922292, 4902865, 9805730, 19611460]

約数ペア:

[(1, 19611460), (2, 9805730), (4, 4902865), (5, 3922292), (10, 1961146), (11, 1782860), (20, 980573), (22, 891430), (44, 445715), (55, 356572), (97, 202180), (110, 178286), (194, 101090), (220, 89143), (388, 50545), (485, 40436), (919, 21340), (970, 20218), (1067, 18380), (1838, 10670), (1940, 10109), (2134, 9190), (3676, 5335), (4268, 4595)]