19591220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89051}}^1$

素因数の和:89071

約数の個数: 24

約数和(自身を含む): 44882208

約数和(自身を除く): 25290988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89051, 178102, 356204, 445255, 890510, 979561, 1781020, 1959122, 3918244, 4897805, 9795610, 19591220]

約数ペア:

[(1, 19591220), (2, 9795610), (4, 4897805), (5, 3918244), (10, 1959122), (11, 1781020), (20, 979561), (22, 890510), (44, 445255), (55, 356204), (110, 178102), (220, 89051)]