18997836

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11071}}^1$

素因数の和:11102

約数の個数: 48

約数和(自身を含む): 52082688

約数和(自身を除く): 33084852

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11071, 22142, 33213, 44284, 66426, 121781, 132852, 143923, 243562, 287846, 365343, 431769, 487124, 575692, 730686, 863538, 1461372, 1583153, 1727076, 3166306, 4749459, 6332612, 9498918, 18997836]

約数ペア:

[(1, 18997836), (2, 9498918), (3, 6332612), (4, 4749459), (6, 3166306), (11, 1727076), (12, 1583153), (13, 1461372), (22, 863538), (26, 730686), (33, 575692), (39, 487124), (44, 431769), (52, 365343), (66, 287846), (78, 243562), (132, 143923), (143, 132852), (156, 121781), (286, 66426), (429, 44284), (572, 33213), (858, 22142), (1716, 11071)]