18244035

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 33088176

約数和(自身を除く): 14844141

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 421, 535, 963, 1263, 1605, 2105, 2889, 3789, 4815, 6315, 8667, 11367, 14445, 18945, 34101, 43335, 45047, 56835, 135141, 170505, 225235, 405423, 675705, 1216269, 2027115, 3648807, 6081345, 18244035]

約数ペア:

[(1, 18244035), (3, 6081345), (5, 3648807), (9, 2027115), (15, 1216269), (27, 675705), (45, 405423), (81, 225235), (107, 170505), (135, 135141), (321, 56835), (405, 45047), (421, 43335), (535, 34101), (963, 18945), (1263, 14445), (1605, 11367), (2105, 8667), (2889, 6315), (3789, 4815)]